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86047372868 = 22188911387953
BaseRepresentation
bin101000000100011010…
…0101011011001000100
322020002210022110000212
41100020310223121010
52402211111412433
6103310221454552
76134222413202
oct1201064533104
9266083273025
1086047372868
11335465538a6
1214815111458
138163c79262
144243d9a072
152389362d48
hex1408d2b644

86047372868 has 12 divisors (see below), whose sum is σ = 150662631420. Its totient is φ = 43000906752.

The previous prime is 86047372841. The next prime is 86047372871. The reversal of 86047372868 is 86827374068.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59030533444 + 27016839424 = 242962^2 + 164368^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5686421 + ... + 5701532.

It is an arithmetic number, because the mean of its divisors is an integer number (12555219285).

Almost surely, 286047372868 is an apocalyptic number.

It is an amenable number.

86047372868 is a deficient number, since it is larger than the sum of its proper divisors (64615258552).

86047372868 is a wasteful number, since it uses less digits than its factorization.

86047372868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11389846 (or 11389844 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 59.

The spelling of 86047372868 in words is "eighty-six billion, forty-seven million, three hundred seventy-two thousand, eight hundred sixty-eight".

Divisors: 1 2 4 1889 3778 7556 11387953 22775906 45551812 21511843217 43023686434 86047372868