Base | Representation |
---|---|
bin | 10010111010110101… |
… | …01011000010000101 |
3 | 222012212120121112020 |
4 | 21131122223002011 |
5 | 131300221121220 |
6 | 4355520113353 |
7 | 506463561252 |
oct | 113532530205 |
9 | 28185517466 |
10 | 10157207685 |
11 | 434252a519 |
12 | 1b75765859 |
13 | c5b440c81 |
14 | 6c4da6429 |
15 | 3e6ab3040 |
hex | 25d6ab085 |
10157207685 has 16 divisors (see below), whose sum is σ = 17207505216. Its totient is φ = 5098519808.
The previous prime is 10157207623. The next prime is 10157207771. The reversal of 10157207685 is 58670275101.
It is a cyclic number.
It is not a de Polignac number, because 10157207685 - 28 = 10157207429 is a prime.
It is a Curzon number.
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, 19915839 + ... + 19916348.
It is an arithmetic number, because the mean of its divisors is an integer number (1075469076).
Almost surely, 210157207685 is an apocalyptic number.
10157207685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10157207685 is a deficient number, since it is larger than the sum of its proper divisors (7050297531).
10157207685 is a wasteful number, since it uses less digits than its factorization.
10157207685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39832212.
The product of its (nonzero) digits is 117600, while the sum is 42.
The spelling of 10157207685 in words is "ten billion, one hundred fifty-seven million, two hundred seven thousand, six hundred eighty-five".
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