Numbers 520,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

[1M] & [10M] & [100M- [200M] - [300M] - [400M] - [500M] - [600M] - [700M] - [800M] - [900M]  & [1B]

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522,956,313 & 522,956,314

[Math.] Sum of the first 12 factorials:

1!+2!+3!+4!+5!+6!+7!+8!+9!+10!+11!+12! = 522,956,313.

Sum of the first 13 factorials, including 0!:

0!+1!+2!+3!+4!+5!+6!+7!+8!+9!+10!+11!+12! = 522,956,314.

523,194,876

[Math.] (References [1])

 Pan-digital number 2× a zero-less pan-digital number Uses each of 9 digits 1-9 once 1,037,246,958 = 2×518,623,479 = 9×57,624,831 1,046,389,752 = 2×523,194,876 = 9×58,132,764 1,286,375,904 = 2×643,187,952 = 9×71,465,328 1,307,624,958 = 2×653,812,479 = 9×72,645,831 1,370,258,694 = 2×685,129,347 = 9×76,125,483 1,462,938,570 = 2×731,469,285 = 9×81,274,365

523,814,769

[Math.]  228872 = 523,814,769, one of thirty 9-digit square numbers using all 9 digits 1-9 once.

529,230,025

Math.]  Sum of the first 214 cube numbers:

13+23+…+2143 = 529,230,025 = (1+2+…+214)2 = 23,0052.

529,874,361

[Math.]  230192 = 529,874,361, one of thirty 9-digit square numbers using all 9 digits 1-9 once.

xyz,abc,def

[Math.]  For any xyz = 100 to 999, there are always six 6-digit numbers abc,edf such that the sum (xyz+abc,def) is equal to one of 6 digit-rotations of 142,857 and the number  xyz,abc,def is a multiple of 142,857.

For any xyz = 100 to 999, there are always twelve 6-digit numbers abc,edf such that the sum (xyz+abc,def) is equal to one of 12 digit-rotations of 076,923 or 153,846 and the number xyz,abc,def is a multiple of 76,923.