Base | Representation |
---|---|
bin | 111101000001110010… |
… | …0101100010000000100 |
3 | 110112021112211121011100 |
4 | 1322003210230100010 |
5 | 4121400422440422 |
6 | 140112334340100 |
7 | 12316462316061 |
oct | 1720344542004 |
9 | 415245747140 |
10 | 131056452612 |
11 | 50642a50668 |
12 | 2149665a630 |
13 | c487a19117 |
14 | 64b390dc68 |
15 | 36209967ac |
hex | 1e8392c404 |
131056452612 has 36 divisors (see below), whose sum is σ = 331440818800. Its totient is φ = 43664486832.
The previous prime is 131056452601. The next prime is 131056452617. The reversal of 131056452612 is 216254650131.
131056452612 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 5 + 645 + 2 + 6 + 1 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (131056452617) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 798862 + ... + 948837.
Almost surely, 2131056452612 is an apocalyptic number.
131056452612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131056452612 is an abundant number, since it is smaller than the sum of its proper divisors (200384366188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131056452612 is a wasteful number, since it uses less digits than its factorization.
131056452612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1749792 (or 1749787 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
The spelling of 131056452612 in words is "one hundred thirty-one billion, fifty-six million, four hundred fifty-two thousand, six hundred twelve".
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