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90356108928 = 2731032284489
BaseRepresentation
bin101010000100110100…
…1001100111010000000
322122020001221220201220
41110021221030322000
52440022130441203
6105301540555040
76346052153001
oct1241151147200
9278201856656
1090356108928
1135357738a98
12156180b2a80
13869c836c17
1445323191a8
15253c770653
hex1509a4ce80

90356108928 has 64 divisors (see below), whose sum is σ = 242338699200. Its totient is φ = 29826275328.

The previous prime is 90356108917. The next prime is 90356108933. The reversal of 90356108928 is 82980165309.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102693 + ... + 1181796.

It is an arithmetic number, because the mean of its divisors is an integer number (3786542175).

Almost surely, 290356108928 is an apocalyptic number.

It is an amenable number.

90356108928 is an abundant number, since it is smaller than the sum of its proper divisors (151982590272).

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

90356108928 is a wasteful number, since it uses less digits than its factorization.

90356108928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284609 (or 2284597 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 90356108928 in words is "ninety billion, three hundred fifty-six million, one hundred eight thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 103 128 192 206 309 384 412 618 824 1236 1648 2472 3296 4944 6592 9888 13184 19776 39552 2284489 4568978 6853467 9137956 13706934 18275912 27413868 36551824 54827736 73103648 109655472 146207296 219310944 235302367 292414592 438621888 470604734 705907101 877243776 941209468 1411814202 1882418936 2823628404 3764837872 5647256808 7529675744 11294513616 15059351488 22589027232 30118702976 45178054464 90356108928