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12031085853225 = 3252491910870399
BaseRepresentation
bin1010111100010011010010…
…0110010011101000101001
31120121011100001121001202200
42233010310212103220221
53034104130434300400
641331000551450413
72351134344264135
oct257046446235051
946534301531680
1012031085853225
11391939a35049a
121423856386a09
136936aca2148a
142d84443223c5
1515ce52038b00
hexaf134993a29

12031085853225 has 36 divisors (see below), whose sum is σ = 21553394304000. Its totient is φ = 6415274083680.

The previous prime is 12031085853179. The next prime is 12031085853229. The reversal of 12031085853225 is 52235858013021.

12031085853225 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 10 + 8 + 585 + 32 + 25 = 666.

It is not a de Polignac number, because 12031085853225 - 26 = 12031085853161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12031085853229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4328425 + ... + 6541974.

Almost surely, 212031085853225 is an apocalyptic number.

12031085853225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12031085853225 is a deficient number, since it is larger than the sum of its proper divisors (9522308450775).

12031085853225 is a wasteful number, since it uses less digits than its factorization.

12031085853225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10875334 (or 10875326 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 12031085853225 in words is "twelve trillion, thirty-one billion, eighty-five million, eight hundred fifty-three thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 4919 14757 24595 44271 73785 122975 221355 368925 1106775 10870399 32611197 54351995 97833591 163055985 271759975 489167955 815279925 2445839775 53471492681 160414478043 267357463405 481243434129 802072390215 1336787317025 2406217170645 4010361951075 12031085853225