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90236494124 = 22714639220147
BaseRepresentation
bin101010000001010000…
…0111010000100101100
322121220201212212001222
41110002200322010230
52434301020302444
6105242025122512
76343100354540
oct1240240720454
9277821785058
1090236494124
11352a616a687
12155a4029438
138680b1642a
14452049da20
152531ee3eee
hex150283a12c

90236494124 has 24 divisors (see below), whose sum is σ = 180486136320. Its totient is φ = 38669965776.

The previous prime is 90236494109. The next prime is 90236494171. The reversal of 90236494124 is 42149463209.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299819 + ... + 519965.

It is an arithmetic number, because the mean of its divisors is an integer number (7520255680).

Almost surely, 290236494124 is an apocalyptic number.

It is an amenable number.

90236494124 is an abundant number, since it is smaller than the sum of its proper divisors (90249642196).

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

90236494124 is a wasteful number, since it uses less digits than its factorization.

90236494124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234797 (or 234795 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 90236494124 in words is "ninety billion, two hundred thirty-six million, four hundred ninety-four thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 14639 29278 58556 102473 204946 220147 409892 440294 880588 1541029 3082058 6164116 3222731933 6445463866 12890927732 22559123531 45118247062 90236494124