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538478088612 = 22344873174051
BaseRepresentation
bin1111101010111111100…
…10111001000110100100
31220110220110112010210120
413311133302321012210
532310300342313422
61051212354121540
753621663142612
oct7653762710644
91813813463716
10538478088612
1119840492aa32
128843b2802b0
133ba16b08949
141c0c36266b2
15e018be345c
hex7d5fcb91a4

538478088612 has 12 divisors (see below), whose sum is σ = 1256448873456. Its totient is φ = 179492696200.

The previous prime is 538478088587. The next prime is 538478088683. The reversal of 538478088612 is 216880874835.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22436587014 + ... + 22436587037.

It is an arithmetic number, because the mean of its divisors is an integer number (104704072788).

Almost surely, 2538478088612 is an apocalyptic number.

It is an amenable number.

538478088612 is an abundant number, since it is smaller than the sum of its proper divisors (717970784844).

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

538478088612 is a wasteful number, since it uses less digits than its factorization.

538478088612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44873174058 (or 44873174056 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 60.

The spelling of 538478088612 in words is "five hundred thirty-eight billion, four hundred seventy-eight million, eighty-eight thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 44873174051 89746348102 134619522153 179492696204 269239044306 538478088612