Numbers 68,000,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

60,000,000,00061,000,000,00062,000,000,000 – 63,000,000,00064,000,000,000

65,000,000,00066,000,000,00067,000,000,00068,000,000,00069,000,000,000

– [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 ...

68,122,566,009

[Math.]  Sum of the first 722 cube numbers:

13+…+7223 = 68,122,566,009 = (1+…+722)2 = 261,0032.

68,212,890,625

[Math.]  Its odd powers end with 68,212,890,625. Its even powers end with 18,212,890,625.

68,500,499,076

[Math.]  Sum of the first 723 cube numbers:

13+…+7233 = 68,500,499,076 = (1+…+723)2 = 261,7262.

68,719,476,736

[Math.]  68,719,476,736 = (6+8+7+1+9+4+7+6+7+3+6)6 = 646.

68,880,002,500

[Math.]  Sum of the first 724 cube numbers:

13+…+7243 = 68,880,002,500 = (1+…+724)2 = 262,4502.

68,931,824,360

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

68,931,824,360 = 247532+…+248642 = 248652+…+249752.

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.