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32891633052 = 2232740969421
BaseRepresentation
bin11110101000011111…
…100111110110011100
310010220021102002012120
4132220133213312130
51014330224224202
623035445502540
72243041160625
oct365037476634
9103807362176
1032891633052
1112a49518813
12645b411a50
133142496685
1418404c2a4c
15cc79140bc
hex7a87e7d9c

32891633052 has 12 divisors (see below), whose sum is σ = 76747143816. Its totient is φ = 10963877680.

The previous prime is 32891633041. The next prime is 32891633053. The reversal of 32891633052 is 25033619823.

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

It is a junction number, because it is equal to n+sod(n) for n = 32891632995 and 32891633013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32891633053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370484699 + ... + 1370484722.

It is an arithmetic number, because the mean of its divisors is an integer number (6395595318).

Almost surely, 232891633052 is an apocalyptic number.

It is an amenable number.

32891633052 is an abundant number, since it is smaller than the sum of its proper divisors (43855510764).

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

32891633052 is a wasteful number, since it uses less digits than its factorization.

32891633052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740969428 (or 2740969426 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 32891633052 in words is "thirty-two billion, eight hundred ninety-one million, six hundred thirty-three thousand, fifty-two".

Divisors: 1 2 3 4 6 12 2740969421 5481938842 8222908263 10963877684 16445816526 32891633052