Base | Representation |
---|---|
bin | 11000100000011100… |
… | …10000100011011101 |
3 | 1020221221100200002012 |
4 | 30100032100203131 |
5 | 203421202401130 |
6 | 10013321441005 |
7 | 644021202503 |
oct | 142016204335 |
9 | 36857320065 |
10 | 13157075165 |
11 | 564190a343 |
12 | 2672340165 |
13 | 1318aaa0a0 |
14 | 8cb576673 |
15 | 52012c995 |
hex | 3103908dd |
13157075165 has 32 divisors (see below), whose sum is σ = 17196732000. Its totient is φ = 9605873664.
The previous prime is 13157075137. The next prime is 13157075201. The reversal of 13157075165 is 56157075131.
It can be written as a sum of positive squares in 16 ways, for example, as 4343996281 + 8813078884 = 65909^2 + 93878^2 .
It is a cyclic number.
It is not a de Polignac number, because 13157075165 - 26 = 13157075101 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2285711 + ... + 2291459.
It is an arithmetic number, because the mean of its divisors is an integer number (537397875).
Almost surely, 213157075165 is an apocalyptic number.
It is an amenable number.
13157075165 is a deficient number, since it is larger than the sum of its proper divisors (4039656835).
13157075165 is a wasteful number, since it uses less digits than its factorization.
13157075165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6161.
The product of its (nonzero) digits is 110250, while the sum is 41.
The spelling of 13157075165 in words is "thirteen billion, one hundred fifty-seven million, seventy-five thousand, one hundred sixty-five".
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