Base | Representation |
---|---|
bin | 110101111011110111… |
… | …010101111011000011 |
3 | 12112111000220222011221 |
4 | 311323313111323003 |
5 | 1422101121231011 |
6 | 42334341415511 |
7 | 4120062442015 |
oct | 657367257303 |
9 | 175430828157 |
10 | 57912680131 |
11 | 2261921a819 |
12 | b282a0a597 |
13 | 55cc18ba87 |
14 | 2b355881b5 |
15 | 178e392971 |
hex | d7bdd5ec3 |
57912680131 has 8 divisors (see below), whose sum is σ = 61340600160. Its totient is φ = 54487125888.
The previous prime is 57912680123. The next prime is 57912680149. The reversal of 57912680131 is 13108621975.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57912680131 - 23 = 57912680123 is a prime.
It is a super-2 number, since 2×579126801312 (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 (57912683131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540916 + ... + 639073.
It is an arithmetic number, because the mean of its divisors is an integer number (7667575020).
Almost surely, 257912680131 is an apocalyptic number.
57912680131 is a deficient number, since it is larger than the sum of its proper divisors (3427920029).
57912680131 is a wasteful number, since it uses less digits than its factorization.
57912680131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1182893.
The product of its (nonzero) digits is 90720, while the sum is 43.
The spelling of 57912680131 in words is "fifty-seven billion, nine hundred twelve million, six hundred eighty thousand, one hundred thirty-one".
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