Base | Representation |
---|---|
bin | 101000010110111010… |
… | …1010110010011001100 |
3 | 22021201001201002121220 |
4 | 1100231311112103030 |
5 | 2404444041234422 |
6 | 103452002323340 |
7 | 6155502304560 |
oct | 1205565262314 |
9 | 267631632556 |
10 | 86668305612 |
11 | 33834aa9859 |
12 | 14969059550 |
13 | 82327c3995 |
14 | 42a26316a0 |
15 | 23c3b17e5c |
hex | 142dd564cc |
86668305612 has 24 divisors (see below), whose sum is σ = 231115481856. Its totient is φ = 24762373008.
The previous prime is 86668305601. The next prime is 86668305629. The reversal of 86668305612 is 21650386668.
It is a super-2 number, since 2×866683056122 (a number of 23 digits) contains 22 as substring.
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, 515882688 + ... + 515882855.
It is an arithmetic number, because the mean of its divisors is an integer number (9629811744).
Almost surely, 286668305612 is an apocalyptic number.
It is an amenable number.
86668305612 is an abundant number, since it is smaller than the sum of its proper divisors (144447176244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86668305612 is a wasteful number, since it uses less digits than its factorization.
86668305612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1031765557 (or 1031765555 counting only the distinct ones).
The product of its (nonzero) digits is 2488320, while the sum is 51.
The spelling of 86668305612 in words is "eighty-six billion, six hundred sixty-eight million, three hundred five thousand, six hundred twelve".
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