Base | Representation |
---|---|
bin | 1001110101011000110111… |
… | …1011111101100111100100 |
3 | 1102021200202121011011001000 |
4 | 2131112031323331213210 |
5 | 2404124120340142442 |
6 | 34555201013433300 |
7 | 2164125416305662 |
oct | 235261573754744 |
9 | 42250677134030 |
10 | 10812813990372 |
11 | 34997636763a9 |
12 | 126771963b830 |
13 | 60584aaaa504 |
14 | 2954b323dc32 |
15 | 13b3ed192d4c |
hex | 9d58defd9e4 |
10812813990372 has 192 divisors, whose sum is σ = 29030399354880. Its totient is φ = 3477720355200.
The previous prime is 10812813990367. The next prime is 10812813990421. The reversal of 10812813990372 is 27309931821801.
It is a happy number.
10812813990372 is a `hidden beast` number, since 1 + 0 + 81 + 2 + 81 + 39 + 90 + 372 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 872628297 + ... + 872640687.
It is an arithmetic number, because the mean of its divisors is an integer number (151199996640).
Almost surely, 210812813990372 is an apocalyptic number.
10812813990372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10812813990372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14515199677440).
10812813990372 is an abundant number, since it is smaller than the sum of its proper divisors (18217585364508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10812813990372 is a wasteful number, since it uses less digits than its factorization.
10812813990372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14239 (or 14231 counting only the distinct ones).
The product of its (nonzero) digits is 1306368, while the sum is 54.
The spelling of 10812813990372 in words is "ten trillion, eight hundred twelve billion, eight hundred thirteen million, nine hundred ninety thousand, three hundred seventy-two".
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