Base | Representation |
---|---|
bin | 100111111001101001… |
… | …0010000111101010101 |
3 | 22012011121101100000210 |
4 | 1033303102100331111 |
5 | 2400441110431130 |
6 | 103210313000033 |
7 | 6122244145011 |
oct | 1176322207525 |
9 | 265147340023 |
10 | 85686030165 |
11 | 3338059176a |
12 | 147340b3019 |
13 | 81071512c8 |
14 | 420bdb9541 |
15 | 23677885b0 |
hex | 13f3490f55 |
85686030165 has 16 divisors (see below), whose sum is σ = 137102832576. Its totient is φ = 45697488000.
The previous prime is 85686030151. The next prime is 85686030187. The reversal of 85686030165 is 56103068658.
It is not a de Polignac number, because 85686030165 - 226 = 85618921301 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, 370185 + ... + 555345.
It is an arithmetic number, because the mean of its divisors is an integer number (8568927036).
Almost surely, 285686030165 is an apocalyptic number.
It is an amenable number.
85686030165 is a deficient number, since it is larger than the sum of its proper divisors (51416802411).
85686030165 is a wasteful number, since it uses less digits than its factorization.
85686030165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216020.
The product of its (nonzero) digits is 1036800, while the sum is 48.
The spelling of 85686030165 in words is "eighty-five billion, six hundred eighty-six million, thirty thousand, one hundred sixty-five".
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