Base | Representation |
---|---|
bin | 110101101110110110… |
… | …001011100110111011 |
3 | 12111220210221200110100 |
4 | 311232312023212323 |
5 | 1421124213200211 |
6 | 42300540250443 |
7 | 4111501135302 |
oct | 655666134673 |
9 | 174823850410 |
10 | 57694271931 |
11 | 22516a0447a |
12 | b221840a23 |
13 | 5595b5aa5a |
14 | 2b14573439 |
15 | 177a0ee156 |
hex | d6ed8b9bb |
57694271931 has 12 divisors (see below), whose sum is σ = 83442071752. Its totient is φ = 38413970496.
The previous prime is 57694271927. The next prime is 57694271959. The reversal of 57694271931 is 13917249675.
57694271931 is a `hidden beast` number, since 576 + 9 + 4 + 27 + 19 + 31 = 666.
It is not a de Polignac number, because 57694271931 - 22 = 57694271927 is a prime.
It is a super-2 number, since 2×576942719312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57694271911) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4065646 + ... + 4079811.
Almost surely, 257694271931 is an apocalyptic number.
57694271931 is a deficient number, since it is larger than the sum of its proper divisors (25747799821).
57694271931 is a wasteful number, since it uses less digits than its factorization.
57694271931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8146250 (or 8146247 counting only the distinct ones).
The product of its digits is 2857680, while the sum is 54.
The spelling of 57694271931 in words is "fifty-seven billion, six hundred ninety-four million, two hundred seventy-one thousand, nine hundred thirty-one".
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