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88534441431 = 3245757214987
BaseRepresentation
bin101001001110100010…
…0000101110111010111
322110112010011121201100
41102131010011313113
52422304304111211
6104401104201143
76252652223022
oct1223504056727
9273463147640
1088534441431
1134602425267
12151aa0091b3
13846c2cb767
1443dc4021b9
152482887156
hex149d105dd7

88534441431 has 12 divisors (see below), whose sum is σ = 127886471752. Its totient is φ = 59021396496.

The previous prime is 88534441403. The next prime is 88534441433. The reversal of 88534441431 is 13414443588.

88534441431 is a `hidden beast` number, since 88 + 534 + 4 + 4 + 1 + 4 + 31 = 666.

It is a de Polignac number, because none of the positive numbers 2k-88534441431 is a prime.

It is a super-2 number, since 2×885344414312 (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 (88534441433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304320 + ... + 519306.

Almost surely, 288534441431 is an apocalyptic number.

88534441431 is a deficient number, since it is larger than the sum of its proper divisors (39352030321).

88534441431 is a wasteful number, since it uses less digits than its factorization.

88534441431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260750 (or 260747 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The spelling of 88534441431 in words is "eighty-eight billion, five hundred thirty-four million, four hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 3 9 45757 137271 214987 411813 644961 1934883 9837160159 29511480477 88534441431