Base | Representation |
---|---|
bin | 11001001101110111… |
… | …10000000110000000 |
3 | 1021221111022201022201 |
4 | 30212323300012000 |
5 | 210211223141314 |
6 | 10115212242544 |
7 | 656325643042 |
oct | 144673600600 |
9 | 37844281281 |
10 | 13538099584 |
11 | 58179a4659 |
12 | 2759a70454 |
13 | 1379a06619 |
14 | 925ddba92 |
15 | 5437e3b74 |
hex | 326ef0180 |
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".
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