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13998431292 = 2231166535941
BaseRepresentation
bin11010000100101111…
…10001110000111100
31100010120111222201020
431002113301300330
5212132044300132
610233014544140
71003615463016
oct150227616074
940116458636
1013998431292
115a3382768a
122868068050
1314211acb51
1496b1c91b6
1556de2352c
hex3425f1c3c

13998431292 has 12 divisors (see below), whose sum is σ = 32663006376. Its totient is φ = 4666143760.

The previous prime is 13998431201. The next prime is 13998431303. The reversal of 13998431292 is 29213489931.

13998431292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 583267959 + ... + 583267982.

It is an arithmetic number, because the mean of its divisors is an integer number (2721917198).

Almost surely, 213998431292 is an apocalyptic number.

13998431292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13998431292 is an abundant number, since it is smaller than the sum of its proper divisors (18664575084).

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

13998431292 is a wasteful number, since it uses less digits than its factorization.

13998431292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166535948 (or 1166535946 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The spelling of 13998431292 in words is "thirteen billion, nine hundred ninety-eight million, four hundred thirty-one thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 1166535941 2333071882 3499607823 4666143764 6999215646 13998431292