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86181617968 = 245386351123
BaseRepresentation
bin101000001000011010…
…0110010000100110000
322020110010220210200121
41100100310302010300
52402444443233333
6103331415100024
76140442444265
oct1202064620460
9266403823617
1086181617968
1133605305166
1214852071614
138185a20024
144257b4326c
15239602e32d
hex1410d32130

86181617968 has 10 divisors (see below), whose sum is σ = 166976884844. Its totient is φ = 43090808976.

The previous prime is 86181617933. The next prime is 86181617969. The reversal of 86181617968 is 86971618168.

It is not an unprimeable number, because it can be changed into a prime (86181617969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2693175546 + ... + 2693175577.

Almost surely, 286181617968 is an apocalyptic number.

It is an amenable number.

86181617968 is a deficient number, since it is larger than the sum of its proper divisors (80795266876).

86181617968 is a wasteful number, since it uses less digits than its factorization.

86181617968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5386351131 (or 5386351125 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 61.

The spelling of 86181617968 in words is "eighty-six billion, one hundred eighty-one million, six hundred seventeen thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 5386351123 10772702246 21545404492 43090808984 86181617968