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90358410561 = 3193652743399
BaseRepresentation
bin101010000100111000…
…1111110110101000001
322122020020021211222120
41110021301332311001
52440023223114221
6105302102154453
76346110550206
oct1241161766501
9278206254876
1090358410561
1135358a70271
1215618a22a29
1386a0161733
144532757cad
15253ca775c6
hex1509c7ed41

90358410561 has 16 divisors (see below), whose sum is σ = 126825216000. Its totient is φ = 57065592528.

The previous prime is 90358410553. The next prime is 90358410587. The reversal of 90358410561 is 16501485309.

It is not a de Polignac number, because 90358410561 - 23 = 90358410553 is a prime.

It is a super-2 number, since 2×903584105612 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90358410661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2060340 + ... + 2103738.

It is an arithmetic number, because the mean of its divisors is an integer number (7926576000).

Almost surely, 290358410561 is an apocalyptic number.

It is an amenable number.

90358410561 is a deficient number, since it is larger than the sum of its proper divisors (36466805439).

90358410561 is a wasteful number, since it uses less digits than its factorization.

90358410561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79948.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 90358410561 in words is "ninety billion, three hundred fifty-eight million, four hundred ten thousand, five hundred sixty-one".

Divisors: 1 3 19 57 36527 43399 109581 130197 694013 824581 2082039 2473743 1585235273 4755705819 30119470187 90358410561