Base | Representation |
---|---|
bin | 101000010110010010… |
… | …0010001001101010001 |
3 | 22021122120201020220100 |
4 | 1100230210101031101 |
5 | 2404423121113324 |
6 | 103445523003013 |
7 | 6155123532204 |
oct | 1205444211521 |
9 | 267576636810 |
10 | 86647051089 |
11 | 33824001a35 |
12 | 14961b09469 |
13 | 822b291541 |
14 | 429d89b93b |
15 | 23c1d1a4c9 |
hex | 142c911351 |
86647051089 has 12 divisors (see below), whose sum is σ = 125165261572. Its totient is φ = 57760819200.
The previous prime is 86647051061. The next prime is 86647051097. The reversal of 86647051089 is 98015074668.
86647051089 is a `hidden beast` number, since 8 + 6 + 6 + 47 + 0 + 510 + 89 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 51867785025 + 34779266064 = 227745^2 + 186492^2 .
It is not a de Polignac number, because 86647051089 - 215 = 86647018321 is a prime.
It is a super-2 number, since 2×866470510892 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (86647050089) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178672 + ... + 453009.
Almost surely, 286647051089 is an apocalyptic number.
It is an amenable number.
86647051089 is a deficient number, since it is larger than the sum of its proper divisors (38518210483).
86647051089 is a wasteful number, since it uses less digits than its factorization.
86647051089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 646928 (or 646925 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 54.
The spelling of 86647051089 in words is "eighty-six billion, six hundred forty-seven million, fifty-one thousand, eighty-nine".
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