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86927188964 = 22711282231133
BaseRepresentation
bin101000011110101000…
…0111010001111100100
322022101002211201211012
41100331100322033210
52411011330021324
6103533411201352
76165064625540
oct1207520721744
9268332751735
1086927188964
113395814a740
1214a1b8a6258
1382743268b5
1442c8b80a20
1523db70420e
hex143d43a3e4

86927188964 has 24 divisors (see below), whose sum is σ = 189659322048. Its totient is φ = 33867735840.

The previous prime is 86927188961. The next prime is 86927189039. The reversal of 86927188964 is 46988172968.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 86927188894 and 86927188903.

It is not an unprimeable number, because it can be changed into a prime (86927188961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141115259 + ... + 141115874.

It is an arithmetic number, because the mean of its divisors is an integer number (7902471752).

Almost surely, 286927188964 is an apocalyptic number.

It is an amenable number.

86927188964 is an abundant number, since it is smaller than the sum of its proper divisors (102732133084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86927188964 is a wasteful number, since it uses less digits than its factorization.

86927188964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282231155 (or 282231153 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 68.

The spelling of 86927188964 in words is "eighty-six billion, nine hundred twenty-seven million, one hundred eighty-eight thousand, nine hundred sixty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 282231133 564462266 1128924532 1975617931 3104542463 3951235862 6209084926 7902471724 12418169852 21731797241 43463594482 86927188964