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13442556912 = 2432391171771
BaseRepresentation
bin11001000010011110…
…10010001111110000
31021200211112122102020
430201033102033300
5210012243310122
610101520351440
7654055564011
oct144117221760
937624478366
1013442556912
115778a77a74
122731a75580
131362c938b5
1491744b008
1553a21ec5c
hex3213d23f0

13442556912 has 40 divisors (see below), whose sum is σ = 34871934720. Its totient is φ = 4462100160.

The previous prime is 13442556871. The next prime is 13442556937. The reversal of 13442556912 is 21965524431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574414 + ... + 597357.

It is an arithmetic number, because the mean of its divisors is an integer number (871798368).

Almost surely, 213442556912 is an apocalyptic number.

13442556912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13442556912 is an abundant number, since it is smaller than the sum of its proper divisors (21429377808).

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

13442556912 is a wasteful number, since it uses less digits than its factorization.

13442556912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172021 (or 1172015 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The spelling of 13442556912 in words is "thirteen billion, four hundred forty-two million, five hundred fifty-six thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 239 478 717 956 1434 1912 2868 3824 5736 11472 1171771 2343542 3515313 4687084 7030626 9374168 14061252 18748336 28122504 56245008 280053269 560106538 840159807 1120213076 1680319614 2240426152 3360639228 4480852304 6721278456 13442556912