Base | Representation |
---|---|
bin | 101000010110001010… |
… | …0101111100001111010 |
3 | 22021122022001110202210 |
4 | 1100230110233201322 |
5 | 2404421100342421 |
6 | 103445255435550 |
7 | 6155044121052 |
oct | 1205424574172 |
9 | 267568043683 |
10 | 86642980986 |
11 | 33821782011 |
12 | 14960685bb6 |
13 | 822a497ab3 |
14 | 429d11c562 |
15 | 23c17b4576 |
hex | 142c52f87a |
86642980986 has 16 divisors (see below), whose sum is σ = 182406276000. Its totient is φ = 27360941328.
The previous prime is 86642980969. The next prime is 86642981027. The reversal of 86642980986 is 68908924668.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380012961 + ... + 380013188.
It is an arithmetic number, because the mean of its divisors is an integer number (11400392250).
Almost surely, 286642980986 is an apocalyptic number.
86642980986 is an abundant number, since it is smaller than the sum of its proper divisors (95763295014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86642980986 is a wasteful number, since it uses less digits than its factorization.
86642980986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 760026173.
The product of its (nonzero) digits is 71663616, while the sum is 66.
The spelling of 86642980986 in words is "eighty-six billion, six hundred forty-two million, nine hundred eighty thousand, nine hundred eighty-six".
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