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90992301040 = 2456547173729
BaseRepresentation
bin101010010111110010…
…0000101001111110000
322200212102001211020201
41110233210011033300
52442323012113130
6105445024444544
76400605540334
oct1245744051760
9280772054221
1090992301040
11356538665a3
1215775179754
138771595064
144592a037c4
15257853bbca
hex152f9053f0

90992301040 has 40 divisors (see below), whose sum is σ = 211590631440. Its totient is φ = 36391151616.

The previous prime is 90992301017. The next prime is 90992301067. The reversal of 90992301040 is 4010329909.

It is a tau number, because it is divible by the number of its divisors (40).

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, 436896 + ... + 610624.

It is an arithmetic number, because the mean of its divisors is an integer number (5289765786).

Almost surely, 290992301040 is an apocalyptic number.

It is an amenable number.

90992301040 is an abundant number, since it is smaller than the sum of its proper divisors (120598330400).

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

90992301040 is a wasteful number, since it uses less digits than its factorization.

90992301040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180289 (or 180283 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 90992301040 in words is "ninety billion, nine hundred ninety-two million, three hundred one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 6547 13094 26188 32735 52376 65470 104752 130940 173729 261880 347458 523760 694916 868645 1389832 1737290 2779664 3474580 6949160 13898320 1137403763 2274807526 4549615052 5687018815 9099230104 11374037630 18198460208 22748075260 45496150520 90992301040