Base | Representation |
---|---|
bin | 11001011001111010… |
… | …00110000110010100 |
3 | 1022012112101211122012 |
4 | 30230331012012110 |
5 | 210413103141111 |
6 | 10133221323352 |
7 | 661663365062 |
oct | 145475060624 |
9 | 38175354565 |
10 | 13639115156 |
11 | 5869a1a0a7 |
12 | 2787866558 |
13 | 1394914454 |
14 | 9355b5032 |
15 | 54c5e948b |
hex | 32cf46194 |
13639115156 has 12 divisors (see below), whose sum is σ = 23927976660. Its totient is φ = 6802550400.
The previous prime is 13639115143. The next prime is 13639115177. The reversal of 13639115156 is 65151193631.
It can be written as a sum of positive squares in 2 ways, for example, as 12716170756 + 922944400 = 112766^2 + 30380^2 .
It is a super-3 number, since 3×136391151563 (a number of 31 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
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, 4249991 + ... + 4253198.
It is an arithmetic number, because the mean of its divisors is an integer number (1993998055).
Almost surely, 213639115156 is an apocalyptic number.
It is an amenable number.
13639115156 is a deficient number, since it is larger than the sum of its proper divisors (10288861504).
13639115156 is a wasteful number, since it uses less digits than its factorization.
13639115156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8503594 (or 8503592 counting only the distinct ones).
The product of its digits is 72900, while the sum is 41.
The spelling of 13639115156 in words is "thirteen billion, six hundred thirty-nine million, one hundred fifteen thousand, one hundred fifty-six".
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