Base | Representation |
---|---|
bin | 101000011111010110… |
… | …1110001100001100000 |
3 | 22022102210122112001211 |
4 | 1100332231301201200 |
5 | 2411034043021030 |
6 | 103540041035504 |
7 | 6165511555420 |
oct | 1207655614140 |
9 | 268383575054 |
10 | 86951532640 |
11 | 3396a967485 |
12 | 14a27a85b94 |
13 | 827939b13b |
14 | 42cc0ba480 |
15 | 23dd91212a |
hex | 143eb71860 |
86951532640 has 96 divisors (see below), whose sum is σ = 236483198784. Its totient is φ = 29594296320.
The previous prime is 86951532631. The next prime is 86951532659. The reversal of 86951532640 is 4623515968.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129901 + ... + 436780.
It is an arithmetic number, because the mean of its divisors is an integer number (2463366654).
Almost surely, 286951532640 is an apocalyptic number.
86951532640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
86951532640 is an abundant number, since it is smaller than the sum of its proper divisors (149531666144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86951532640 is a wasteful number, since it uses less digits than its factorization.
86951532640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 566840 (or 566832 counting only the distinct ones).
The product of its (nonzero) digits is 1555200, while the sum is 49.
The spelling of 86951532640 in words is "eighty-six billion, nine hundred fifty-one million, five hundred thirty-two thousand, six hundred forty".
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