Base | Representation |
---|---|
bin | 110101010000110110… |
… | …101001000001010101 |
3 | 12110121202002200022020 |
4 | 311100312221001111 |
5 | 1414111403412200 |
6 | 42135003123353 |
7 | 4063151060454 |
oct | 652066510125 |
9 | 173552080266 |
10 | 57191075925 |
11 | 22288964905 |
12 | b101213559 |
13 | 5515827039 |
14 | 2aa77c8b9b |
15 | 174ad53ea0 |
hex | d50da9055 |
57191075925 has 24 divisors (see below), whose sum is σ = 94567605024. Its totient is φ = 30498135360.
The previous prime is 57191075911. The next prime is 57191076037. The reversal of 57191075925 is 52957019175.
It is not a de Polignac number, because 57191075925 - 27 = 57191075797 is a prime.
It is a super-2 number, since 2×571910759252 (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 23 ways as a sum of consecutive naturals, for example, 627294 + ... + 712656.
It is an arithmetic number, because the mean of its divisors is an integer number (3940316876).
Almost surely, 257191075925 is an apocalyptic number.
It is an amenable number.
57191075925 is a deficient number, since it is larger than the sum of its proper divisors (37376529099).
57191075925 is a wasteful number, since it uses less digits than its factorization.
57191075925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94309 (or 94304 counting only the distinct ones).
The product of its (nonzero) digits is 992250, while the sum is 51.
The spelling of 57191075925 in words is "fifty-seven billion, one hundred ninety-one million, seventy-five thousand, nine hundred twenty-five".
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