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13031682252 = 2231085973521
BaseRepresentation
bin11000010001011111…
…11011000011001100
31020122012102001100020
430020233323003030
5203142102313002
65553042102140
7640636320501
oct141057730314
936565361306
1013031682252
115588054836
12263834a950
1312c8b155b4
148b8a554a8
1551410e2bc
hex308bfb0cc

13031682252 has 12 divisors (see below), whose sum is σ = 30407258616. Its totient is φ = 4343894080.

The previous prime is 13031682233. The next prime is 13031682271. The reversal of 13031682252 is 25228613031.

13031682252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13031682233) and next prime (13031682271).

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

It is an unprimeable number.

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, 542986749 + ... + 542986772.

It is an arithmetic number, because the mean of its divisors is an integer number (2533938218).

Almost surely, 213031682252 is an apocalyptic number.

13031682252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13031682252 is an abundant number, since it is smaller than the sum of its proper divisors (17375576364).

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

13031682252 is a wasteful number, since it uses less digits than its factorization.

13031682252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085973528 (or 1085973526 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 13031682252 in words is "thirteen billion, thirty-one million, six hundred eighty-two thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 1085973521 2171947042 3257920563 4343894084 6515841126 13031682252