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13538099584 = 27472250349
BaseRepresentation
bin11001001101110111…
…10000000110000000
31021221111022201022201
430212323300012000
5210211223141314
610115212242544
7656325643042
oct144673600600
937844281281
1013538099584
1158179a4659
122759a70454
131379a06619
14925ddba92
155437e3b74
hex326ef0180

13538099584 has 32 divisors (see below), whose sum is σ = 27544284000. Its totient is φ = 6625024512.

The previous prime is 13538099569. The next prime is 13538099611. The reversal of 13538099584 is 48599083531.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×135380995843 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119159 + ... + 1131190.

It is an arithmetic number, because the mean of its divisors is an integer number (860758875).

Almost surely, 213538099584 is an apocalyptic number.

It is an amenable number.

13538099584 is an abundant number, since it is smaller than the sum of its proper divisors (14006184416).

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

13538099584 is an equidigital number, since it uses as much as digits as its factorization.

13538099584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250410 (or 2250398 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 55.

The spelling of 13538099584 in words is "thirteen billion, five hundred thirty-eight million, ninety-nine thousand, five hundred eighty-four".

Divisors: 1 2 4 8 16 32 47 64 94 128 188 376 752 1504 3008 6016 2250349 4500698 9001396 18002792 36005584 72011168 105766403 144022336 211532806 288044672 423065612 846131224 1692262448 3384524896 6769049792 13538099584