Base | Representation |
---|---|
bin | 101000010001100001… |
… | …1111001000111101000 |
3 | 22021020110121201102120 |
4 | 1100203003321013220 |
5 | 2404111304200442 |
6 | 103422024431240 |
7 | 6151146130365 |
oct | 1204303710750 |
9 | 267213551376 |
10 | 86487568872 |
11 | 33751a83651 |
12 | 14918618520 |
13 | 8204222673 |
14 | 428662546c |
15 | 23b2d164ec |
hex | 14230f91e8 |
86487568872 has 32 divisors (see below), whose sum is σ = 216982963680. Its totient is φ = 28727317440.
The previous prime is 86487568861. The next prime is 86487568877. The reversal of 86487568872 is 27886578468.
It is a junction number, because it is equal to n+sod(n) for n = 86487568797 and 86487568806.
It is not an unprimeable number, because it can be changed into a prime (86487568877) 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, 6360079 + ... + 6373662.
It is an arithmetic number, because the mean of its divisors is an integer number (6780717615).
Almost surely, 286487568872 is an apocalyptic number.
It is an amenable number.
86487568872 is an abundant number, since it is smaller than the sum of its proper divisors (130495394808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86487568872 is a wasteful number, since it uses less digits than its factorization.
86487568872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12734033 (or 12734029 counting only the distinct ones).
The product of its digits is 289013760, while the sum is 69.
The spelling of 86487568872 in words is "eighty-six billion, four hundred eighty-seven million, five hundred sixty-eight thousand, eight hundred seventy-two".
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