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88056204581 = 1074631777441
BaseRepresentation
bin101001000000010001…
…1110000110100100101
322102021210021200002102
41102000203300310211
52420314342021311
6104241422021445
76235054250342
oct1220043606445
9272253250072
1088056204581
11343874828a4
1215095a17885
1383c41c6487
144394ab37c9
1524558bc43b
hex14808f0d25

88056204581 has 8 divisors (see below), whose sum is σ = 89071173504. Its totient is φ = 87044791680.

The previous prime is 88056204571. The next prime is 88056204589. The reversal of 88056204581 is 18540265088.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88056204581 - 226 = 87989095717 is a prime.

It is a super-2 number, since 2×880562045812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88056204589) 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, 839180 + ... + 938261.

It is an arithmetic number, because the mean of its divisors is an integer number (11133896688).

Almost surely, 288056204581 is an apocalyptic number.

It is an amenable number.

88056204581 is a deficient number, since it is larger than the sum of its proper divisors (1014968923).

88056204581 is a wasteful number, since it uses less digits than its factorization.

88056204581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778011.

The product of its (nonzero) digits is 614400, while the sum is 47.

The spelling of 88056204581 in words is "eighty-eight billion, fifty-six million, two hundred four thousand, five hundred eighty-one".

Divisors: 1 107 463 49541 1777441 190186187 822955183 88056204581