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13139651292 = 2231094970941
BaseRepresentation
bin11000011110010111…
…10010101011011100
31020220201120110000120
430033023302223130
5203402222320132
610011500154540
7643420123155
oct141713625334
936821513016
1013139651292
115632a99549
122668538a50
1313152b93c1
148c911c92c
1551d83a02c
hex30f2f2adc

13139651292 has 12 divisors (see below), whose sum is σ = 30659186376. Its totient is φ = 4379883760.

The previous prime is 13139651207. The next prime is 13139651293. The reversal of 13139651292 is 29215693131.

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 (13139651293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547485459 + ... + 547485482.

It is an arithmetic number, because the mean of its divisors is an integer number (2554932198).

Almost surely, 213139651292 is an apocalyptic number.

13139651292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13139651292 is an abundant number, since it is smaller than the sum of its proper divisors (17519535084).

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

13139651292 is a wasteful number, since it uses less digits than its factorization.

13139651292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094970948 (or 1094970946 counting only the distinct ones).

The product of its digits is 87480, while the sum is 42.

The spelling of 13139651292 in words is "thirteen billion, one hundred thirty-nine million, six hundred fifty-one thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 1094970941 2189941882 3284912823 4379883764 6569825646 13139651292