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32021513052 = 2232668459421
BaseRepresentation
bin11101110100101000…
…011000001101011100
310001122122010101221220
4131310220120031130
51011040001404202
622413244053340
72212344240624
oct356450301534
9101578111856
1032021513052
1112642344781
126257b34250
133034132479
14179ab03884
15c7633aabc
hex774a1835c

32021513052 has 12 divisors (see below), whose sum is σ = 74716863816. Its totient is φ = 10673837680.

The previous prime is 32021512997. The next prime is 32021513053. The reversal of 32021513052 is 25031512023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32021513053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334229699 + ... + 1334229722.

It is an arithmetic number, because the mean of its divisors is an integer number (6226405318).

Almost surely, 232021513052 is an apocalyptic number.

It is an amenable number.

32021513052 is an abundant number, since it is smaller than the sum of its proper divisors (42695350764).

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

32021513052 is a wasteful number, since it uses less digits than its factorization.

32021513052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668459428 (or 2668459426 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 32021513052 in words is "thirty-two billion, twenty-one million, five hundred thirteen thousand, fifty-two".

Divisors: 1 2 3 4 6 12 2668459421 5336918842 8005378263 10673837684 16010756526 32021513052