Base | Representation |
---|---|
bin | 101000011100111100… |
… | …0001110000110101011 |
3 | 22022020010221210112011 |
4 | 1100321320032012223 |
5 | 2410402304310232 |
6 | 103524021500351 |
7 | 6163505042524 |
oct | 1207170160653 |
9 | 268203853464 |
10 | 86870385067 |
11 | 33929082074 |
12 | 14a048716b7 |
13 | 826562861b |
14 | 42c13d584b |
15 | 23d6733547 |
hex | 1439e0e1ab |
86870385067 has 16 divisors (see below), whose sum is σ = 92683948032. Its totient is φ = 81137326720.
The previous prime is 86870385023. The next prime is 86870385071. The reversal of 86870385067 is 76058307868.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-86870385067 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (86870385467) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1163958 + ... + 1236340.
It is an arithmetic number, because the mean of its divisors is an integer number (5792746752).
Almost surely, 286870385067 is an apocalyptic number.
86870385067 is a deficient number, since it is larger than the sum of its proper divisors (5813562965).
86870385067 is a wasteful number, since it uses less digits than its factorization.
86870385067 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72938.
The product of its (nonzero) digits is 13547520, while the sum is 58.
The spelling of 86870385067 in words is "eighty-six billion, eight hundred seventy million, three hundred eighty-five thousand, sixty-seven".
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