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90361883632 = 2431407344729
BaseRepresentation
bin101010000100111111…
…1001110101111110000
322122020110211022010211
41110021333032233300
52440030120234012
6105302304433504
76346152223606
oct1241177165760
9278213738124
1090361883632
113535aa22679
121561a018894
1386a0aa94c7
144532dbd876
15253d0116a7
hex1509fcebf0

90361883632 has 40 divisors (see below), whose sum is σ = 180772179840. Its totient is φ = 43711779840.

The previous prime is 90361883603. The next prime is 90361883681. The reversal of 90361883632 is 23638816309.

It is a happy number.

It is a super-2 number, since 2×903618836322 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1997844 + ... + 2042572.

It is an arithmetic number, because the mean of its divisors is an integer number (4519304496).

Almost surely, 290361883632 is an apocalyptic number.

It is an amenable number.

90361883632 is an abundant number, since it is smaller than the sum of its proper divisors (90410296208).

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

90361883632 is a wasteful number, since it uses less digits than its factorization.

90361883632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48841 (or 48835 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 90361883632 in words is "ninety billion, three hundred sixty-one million, eight hundred eighty-three thousand, six hundred thirty-two".

Divisors: 1 2 4 8 16 31 62 124 248 496 4073 8146 16292 32584 44729 65168 89458 126263 178916 252526 357832 505052 715664 1010104 1386599 2020208 2773198 5546396 11092792 22185584 182181217 364362434 728724868 1457449736 2914899472 5647617727 11295235454 22590470908 45180941816 90361883632