Base | Representation |
---|---|
bin | 110101100011111110… |
… | …001100111011011000 |
3 | 12111110002122102110202 |
4 | 311203332030323120 |
5 | 1420241011400422 |
6 | 42230502001332 |
7 | 4104124306340 |
oct | 654376147330 |
9 | 174402572422 |
10 | 57511825112 |
11 | 22432a20485 |
12 | b190716248 |
13 | 556710b261 |
14 | 2ad823dd20 |
15 | 17690b0b92 |
hex | d63f8ced8 |
57511825112 has 64 divisors (see below), whose sum is σ = 131172618240. Its totient is φ = 23076518400.
The previous prime is 57511825109. The next prime is 57511825127. The reversal of 57511825112 is 21152811575.
It is a super-2 number, since 2×575118251122 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23687 + ... + 339977.
It is an arithmetic number, because the mean of its divisors is an integer number (2049572160).
Almost surely, 257511825112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57511825112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65586309120).
57511825112 is an abundant number, since it is smaller than the sum of its proper divisors (73660793128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57511825112 is a wasteful number, since it uses less digits than its factorization.
57511825112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 316512 (or 316508 counting only the distinct ones).
The product of its digits is 28000, while the sum is 38.
The spelling of 57511825112 in words is "fifty-seven billion, five hundred eleven million, eight hundred twenty-five thousand, one hundred twelve".
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