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13700044512 = 253671129263
BaseRepresentation
bin11001100001001011…
…00001011011100000
31022100210001101000000
430300211201123200
5211024202411022
610143235300000
7663333312510
oct146045413340
938323041000
1013700044512
1158a0355240
1227a414a600
1313a442841b
1493d715840
15552b326ac
hex3309616e0

13700044512 has 672 divisors, whose sum is σ = 52354874880. Its totient is φ = 3422684160.

The previous prime is 13700044499. The next prime is 13700044537. The reversal of 13700044512 is 21544000731.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 52091293 + ... + 52091555.

It is an arithmetic number, because the mean of its divisors is an integer number (77909040).

Almost surely, 213700044512 is an apocalyptic number.

13700044512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13700044512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26177437440).

13700044512 is an abundant number, since it is smaller than the sum of its proper divisors (38654830368).

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

13700044512 is a wasteful number, since it uses less digits than its factorization.

13700044512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 13700044512 in words is "thirteen billion, seven hundred million, forty-four thousand, five hundred twelve".