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88045021044 = 223219128720791
BaseRepresentation
bin101000111111111100…
…1000110011101110100
322102021000020111011100
41101333321012131310
52420304011133134
6104240342210100
76234560221311
oct1217771063564
9272230214140
1088045021044
1134381134502
1215092123930
1383c1aabcb6
144393401d08
15245490d999
hex147fe46774

88045021044 has 36 divisors (see below), whose sum is σ = 234271841440. Its totient is φ = 27803690640.

The previous prime is 88045021033. The next prime is 88045021069. The reversal of 88045021044 is 44012054088.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64359712 + ... + 64361079.

Almost surely, 288045021044 is an apocalyptic number.

It is an amenable number.

88045021044 is an abundant number, since it is smaller than the sum of its proper divisors (146226820396).

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

88045021044 is a wasteful number, since it uses less digits than its factorization.

88045021044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128720820 (or 128720815 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The spelling of 88045021044 in words is "eighty-eight billion, forty-five million, twenty-one thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 128720791 257441582 386162373 514883164 772324746 1158487119 1544649492 2316974238 2445695029 4633948476 4891390058 7337085087 9782780116 14674170174 22011255261 29348340348 44022510522 88045021044