Base | Representation |
---|---|
bin | 100111110010101111… |
… | …0001111000000010001 |
3 | 22011120110022112222121 |
4 | 1033211132033000101 |
5 | 2400002244134430 |
6 | 103131313534241 |
7 | 6113431311403 |
oct | 1174536170021 |
9 | 264513275877 |
10 | 85454286865 |
11 | 33271798582 |
12 | 1468a574381 |
13 | 809b1316ac |
14 | 41c92d2b73 |
15 | 235225da7a |
hex | 13e578f011 |
85454286865 has 16 divisors (see below), whose sum is σ = 103521680640. Its totient is φ = 67712630400.
The previous prime is 85454286857. The next prime is 85454286887. The reversal of 85454286865 is 56868245458.
It is not a de Polignac number, because 85454286865 - 23 = 85454286857 is a prime.
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, 4243741 + ... + 4263829.
It is an arithmetic number, because the mean of its divisors is an integer number (6470105040).
Almost surely, 285454286865 is an apocalyptic number.
It is an amenable number.
85454286865 is a deficient number, since it is larger than the sum of its proper divisors (18067393775).
85454286865 is a wasteful number, since it uses less digits than its factorization.
85454286865 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28152.
The product of its digits is 73728000, while the sum is 61.
The spelling of 85454286865 in words is "eighty-five billion, four hundred fifty-four million, two hundred eighty-six thousand, eight hundred sixty-five".
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