Numbers 6,900,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

6,100,000,0006,200,000,0006,300,000,0006,400,000,000

6,500,000,0006,600,000,0006,700,000,0006,800,000,000 – 6,900,000,000

[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 ...

6,913,578,024

[Math.]   3,456,789,012 and 3,456,789,012×2 = 6,913,578,024 are all pan-digital numbers.

6,913,580,247

[Math.]   One of six permutations of the pan-digital number 1,234,567,890: 987,654,321×7 = 6,913,580,247.

6,961,566,096

[Math.]   Sum of the first 408 cube numbers:

13+…+4083 = 6,961,566,096 = (1+2+…+408)2 = 83,4362.

6,965,770,595

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

6,965,770,595 = 98702+…+99402 = 99412+…+100102.

6,969,696,969

[Math.]   508,853,9892 = 258,932,382,121,212,121 and

1,318,820,8812 = 1,739,288,516,161,616,161.

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.