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90450492314868 = 2234743927469057
BaseRepresentation
bin10100100100001110100101…
…011101101101010011110100
3102212020222112022212000010000
4110210032211131231103310
543323420102013033433
6520212214343231300
725023555343130010
oct2444164535552364
9385228468760100
1090450492314868
1126902924965aa4
12a189ab2a48530
133b615a238c85a
141849b81b2b540
15a6cc58e66113
hex5243a576d4f4

90450492314868 has 120 divisors (see below), whose sum is σ = 276519334828352. Its totient is φ = 25241997828096.

The previous prime is 90450492314857. The next prime is 90450492314869. The reversal of 90450492314868 is 86841329405409.

90450492314868 is a `hidden beast` number, since 9 + 0 + 4 + 50 + 492 + 3 + 14 + 86 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90450492314869) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 463637005 + ... + 463832052.

Almost surely, 290450492314868 is an apocalyptic number.

It is an amenable number.

90450492314868 is an abundant number, since it is smaller than the sum of its proper divisors (186068842513484).

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

90450492314868 is a wasteful number, since it uses less digits than its factorization.

90450492314868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927469123 (or 927469112 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 90450492314868 in words is "ninety trillion, four hundred fifty billion, four hundred ninety-two million, three hundred fourteen thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 43 54 63 81 84 86 108 126 129 162 172 189 252 258 301 324 378 387 516 567 602 756 774 903 1134 1161 1204 1548 1806 2268 2322 2709 3483 3612 4644 5418 6966 8127 10836 13932 16254 24381 32508 48762 97524 927469057 1854938114 2782407171 3709876228 5564814342 6492283399 8347221513 11129628684 12984566798 16694443026 19476850197 25041664539 25969133596 33388886052 38953700394 39881169451 50083329078 58430550591 75124993617 77907400788 79762338902 100166658156 116861101182 119643508353 150249987234 159524677804 175291651773 233722202364 239287016706 279168186157 300499974468 350583303546 358930525059 478574033412 525874955319 558336372314 701166607092 717861050118 837504558471 1051749910638 1076791575177 1116672744628 1435722100236 1675009116942 2103499821276 2153583150354 2512513675413 3230374725531 3350018233884 4307166300708 5025027350826 6460749451062 7537541026239 10050054701652 12921498902124 15075082052478 22612623078717 30150164104956 45225246157434 90450492314868