Numbers 12,000,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

10,000,000,00011,000,000,00012,000,000,000 – 13,000,000,00014,000,000,000

15,000,000,00016,000,000,00017,000,000,00018,000,000,00019,000,000,000

– [1B] –  [10B] –  [20B] – [30B] – [40B] – [50B] – [60B] – [70B] – [80B] – [90B] & [100B]

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

12,000,000,000s--14,000,000,000s

[Astronomy]  The Hubble Telescope has helped to narrow the age of the universe to 12 billion to 14 billion years, rather than 10 billion to 20 billion years, known earlier.

12,044,184,516

[Math.]  Sum of the first 468 cube numbers:

13+…+4683 = 12,044,184,516 = (1+…+468)2 = 109,7462.

12,121,212,121

[Math.]  An alternating-digit prime number.

12,147,346,225

[Math.]  Sum of the first 469 cube numbers:

13+…+4693 = 12,147,346,225 = (1+…+469)2 = 110,2152.

12,214,672,127

[Math.]  The square and cube of number 2303  use different digits: 23032 = 5,303,809 and 23033 = 12,214,672,127.

12,251,169,225

[Math.]  Sum of the first 470 cube numbers:

13+…+4703 = 12,251,169,225 = (1+…+470)2 = 110,6852.

12,345,000,000s (separate page)

12,355,656,336

[Math.]  Sum of the first 471 cube numbers:

13+…+4713 = 12,355,656,336 = (1+…+471)2 = 111,1562.

12,460,810,384

[Math.]  Sum of the first 472 cube numbers:

13+…+4723 = 12,460,810,384 = (1+…+472)2 = 111,6282.

12,519,490,248

[Math.]  12,519,490,248 = (125+1949+0248)3 = 23223.

12,566,634,201

[Math.]  Sum of the first 473 cube numbers:

13+…+4733 = 12,566,634,201 = (1+…+473)2 = 112,1012.

12,586,269,025

[Math.]  The 50th Fibonacci number.

12,673,130,625

[Math.]  Sum of the first 474 cube numbers:

13+…+4743 = 12,044,184,516 = (1+…+474)2 = 112,5752.

12,701,850,680

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

12,701,850,680 = 125612+…+126402 = 126412+…+127192.

12,780,302,500

[Math.]  Sum of the first 475 cube numbers:

13+…+4753 = 12,780,302,500 = (1+…+475)2 = 113,0502.

12,888,152,676

[Math.]  Sum of the first 476 cube numbers:

13+…+4763 = 12,888,152,676 = (1+…+476)2 = 113,5262.

12,996,684,009

[Math.]  Sum of the first 477 cube numbers:

13+…+4773 = 12,996,684,009 = (1+…+477)2 = 114,0032.

xy,zwv,abc,def

[Math.]  For any xy,zwv = 10,000 to 99,999, there are always six 6-digit numbers abc,edf such that xy,zwv +abc,def is equal to one of 6 digit-rotations of 142,857 and the number xy,zwv,abc,def is a multiple of 142,857.

For any xy,zwv  = 10,000 to 76,922, there are always twelve 6-digit numbers abc,edf such that xy,zwv +abc,def is equal to one of 12 digit-rotations of 076,923 or 153,846 and the number xy,zwv,abc,def is a multiple of 76,923.