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90085858461960 = 23351942673864349
BaseRepresentation
bin10100011110111010111111…
…100101111100100100001000
3102210222010100100221001102220
4110132322333211330210020
543301431314231240320
6515332512210254040
724655326360410364
oct2436727745744410
9383863310831386
1090085858461960
112678221a628439
12a12b2ab887320
133b360a1a92b8a
1418362709462a4
15a63517325e40
hex51eebf97c908

90085858461960 has 64 divisors (see below), whose sum is σ = 270259036488000. Its totient is φ = 24022765714176.

The previous prime is 90085858461959. The next prime is 90085858461979. The reversal of 90085858461960 is 6916485858009.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21379866 + ... + 25244214.

It is an arithmetic number, because the mean of its divisors is an integer number (4222797445125).

Almost surely, 290085858461960 is an apocalyptic number.

It is an amenable number.

90085858461960 is an abundant number, since it is smaller than the sum of its proper divisors (180173178026040).

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

90085858461960 is a wasteful number, since it uses less digits than its factorization.

90085858461960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058630 (or 4058626 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 69.

The spelling of 90085858461960 in words is "ninety trillion, eighty-five billion, eight hundred fifty-eight million, four hundred sixty-one thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 194267 388534 582801 777068 971335 1165602 1554136 1942670 2331204 2914005 3864349 3885340 4662408 5828010 7728698 7770680 11593047 11656020 15457396 19321745 23186094 23312040 30914792 38643490 46372188 57965235 77286980 92744376 115930470 154573960 231860940 463721880 750715487183 1501430974366 2252146461549 3002861948732 3753577435915 4504292923098 6005723897464 7507154871830 9008585846196 11260732307745 15014309743660 18017171692392 22521464615490 30028619487320 45042929230980 90085858461960