Base | Representation |
---|---|
bin | 11000100101101110… |
… | …01010011101111000 |
3 | 1021002000200012021000 |
4 | 30102313022131320 |
5 | 204014021240233 |
6 | 10021542445000 |
7 | 645066434235 |
oct | 142267123570 |
9 | 37060605230 |
10 | 13201352568 |
11 | 5664901638 |
12 | 2685133760 |
13 | 1325010831 |
14 | 8d33c078c |
15 | 523e76d13 |
hex | 312dca778 |
13201352568 has 64 divisors (see below), whose sum is σ = 36686340000. Its totient is φ = 4398541056.
The previous prime is 13201352509. The next prime is 13201352617. The reversal of 13201352568 is 86525310231.
13201352568 is a `hidden beast` number, since 1 + 32 + 0 + 13 + 52 + 568 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538596 + ... + 562572.
Almost surely, 213201352568 is an apocalyptic number.
13201352568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13201352568 is an abundant number, since it is smaller than the sum of its proper divisors (23484987432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13201352568 is a wasteful number, since it uses less digits than its factorization.
13201352568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26541 (or 26531 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
Adding to 13201352568 its reverse (86525310231), we get a palindrome (99726662799).
The spelling of 13201352568 in words is "thirteen billion, two hundred one million, three hundred fifty-two thousand, five hundred sixty-eight".
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