Base | Representation |
---|---|
bin | 110101001111011111… |
… | …100111110001011101 |
3 | 12110120011011201121200 |
4 | 311033133213301131 |
5 | 1414040033424120 |
6 | 42132430150113 |
7 | 4062453141306 |
oct | 651737476135 |
9 | 173504151550 |
10 | 57168264285 |
11 | 22276aa4110 |
12 | b0b5652339 |
13 | 5510b9ac22 |
14 | 2aa476b7ad |
15 | 1748d49e90 |
hex | d4f7e7c5d |
57168264285 has 96 divisors (see below), whose sum is σ = 115231334400. Its totient is φ = 25926376320.
The previous prime is 57168264281. The next prime is 57168264313. The reversal of 57168264285 is 58246286175.
57168264285 is a `hidden beast` number, since 57 + 168 + 2 + 6 + 428 + 5 = 666.
It is not a de Polignac number, because 57168264285 - 22 = 57168264281 is a prime.
It is a super-2 number, since 2×571682642852 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57168264281) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 704524 + ... + 781466.
It is an arithmetic number, because the mean of its divisors is an integer number (1200326400).
Almost surely, 257168264285 is an apocalyptic number.
57168264285 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
57168264285 is an abundant number, since it is smaller than the sum of its proper divisors (58063070115).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57168264285 is a wasteful number, since it uses less digits than its factorization.
57168264285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77063 (or 77060 counting only the distinct ones).
The product of its digits is 6451200, while the sum is 54.
The spelling of 57168264285 in words is "fifty-seven billion, one hundred sixty-eight million, two hundred sixty-four thousand, two hundred eighty-five".
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