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13569439104 = 273213937967
BaseRepresentation
bin11001010001100110…
…10011010110000000
31022000200021221001200
430220303103112000
5210242234022404
610122252101200
7660156220644
oct145063232600
938020257050
1013569439104
11583365a491
122768464800
13138335a210
1492a238c24
15546434839
hex328cd3580

13569439104 has 192 divisors, whose sum is σ = 42139537440. Its totient is φ = 4166443008.

The previous prime is 13569439069. The next prime is 13569439111. The reversal of 13569439104 is 40193496531.

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 13569439104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14032029 + ... + 14032995.

Almost surely, 213569439104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13569439104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21069768720).

13569439104 is an abundant number, since it is smaller than the sum of its proper divisors (28570098336).

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

13569439104 is a wasteful number, since it uses less digits than its factorization.

13569439104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 13569439104 in words is "thirteen billion, five hundred sixty-nine million, four hundred thirty-nine thousand, one hundred four".