Numbers 1,500,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

1,000,000,0001,100,000,0001,200,000,0001,300,000,0001,400,000,000

1,500,000,0001,600,000,0001,700,000,0001,800,000,000 – 1,900,000,000

[1B] – [2B] – [3B] – [4B] – [5B] – [6B] – [7B] – [8B]  – [9B]  & [10B]

1  - 10 - 100  - 1000 - 10,000 - 100,000 - 1M - 10M - 100M1B10B - 100B - 1T - 10T - 100T - 1Q ...

1,503,267,984

[Math.]   387722 = 1,503,267,984, a square number using each of 10 digits 0-9 once. (The 10th of 87 such numbers).

1,503,965,961

[Math.]   Sum of the first 278 cube numbers:

13+…+2783 = 1,503,965,961 = (1+2+…+278)2 = 38,7812.

1,516,171,819

[Math.]   The smallest prime number formed by 5 consecutive numbers.

1,518,037,444

[Math.]   1,518,037,444 = (1518+037444)2 = 38,9622 and 923,594,037,444 = (923594+037444)2 = 961,0382 and 38962+961038 = 1,000,000.

1,525,683,600

[Math.]   Sum of the first 279 cube numbers:

13+…+2793 = 1,525,683,600 = (1+2+…+279)2 = 39,0602.

1,532,487,609

[Math.]   391472 = 1,532,487,609, a square number using each of 10 digits 0-9 once. (The 11th of 87 such numbers).

1,547,635,600

[Math.]   Sum of the first 280 cube numbers:

13+…+2803 = 1,547,635,600 = (1+2+…+280)2 = 39,3402.

1,547,320,896

[Math.]   393362 = 1,547,320,896, a square number using each of 10 digits 0-9 once. (The 12th of 87 such numbers).

1,568,397,607

[Math.]   The 44th Lucas number.

1,569,823,641

[Math.]   Sum of the first 281 cube numbers:

13+…+2813 = 1,569,823,641 = (1+2+…+281)2 = 39,6212.

1,583,407,981

[Math.]   The 13th square number that is also a triangular number: 1,583,407,9812 = 1+2+…+2,239,277,041. Each root number in the series is 6 times the previous root number minus the earlier root number: 1, 62, 352, 2042, 11892

1,592,249,409

[Math.]   Sum of the first 282 cube numbers:

13+…+2823 = 1,592,249,409 = (1+2+…+282)2 = 39,9032.

1,595,110,790

[Math.]   Two consecutive sums of consecutive square numbers:

1,595,110,790 = 54602+…+55122 = 55132+…+55642.

1,599,999,984

[Math.]

7,683,984 = 1584×4851 = 27722

782,432,784 = 15984×48951 = 279722

78,384,320,784 = 159984×489951 = 2799722

7,839,843,200,784 = 1599984×4899951 = 27999722

783,998,432,000,784 = 15999984×48999951 = 279999722

78,399,984,320,000,784 = 159999984×489999951 = 2799999722

7,839,999,843,200,000,784 = 1599999984×4899999951 = 27999999722

...

x,yzw,abc,def

[Math.]  For any x,yzw = 1000 to 9999, there are always six 6-digit numbers abc,edf such that x,yzw +abc,def is equal to one of 6 digit-rotations of 142,857 and the number x,yzw,abc,def is a multiple of 142,857.

For any x,yzw = 1000 to 9999, there are always twelve 6-digit numbers abc,edf such that x,yzw +abc,def is equal to one of 12 digit-rotations of 076,923 or 153,846 and the number x,yzw,abc,def is a multiple of 76,923.