Base | Representation |
---|---|
bin | 11000101111111100… |
… | …10001110011000000 |
3 | 1021022000000210200010 |
4 | 30113332101303000 |
5 | 204202444304210 |
6 | 10034244424520 |
7 | 650160342414 |
oct | 142776216300 |
9 | 37260023603 |
10 | 13287103680 |
11 | 56a9250724 |
12 | 26a99a8140 |
13 | 1339a05836 |
14 | 900942d44 |
15 | 52b764920 |
hex | 317f91cc0 |
13287103680 has 112 divisors (see below), whose sum is σ = 44020825344. Its totient is φ = 3389168640.
The previous prime is 13287103679. The next prime is 13287103691. The reversal of 13287103680 is 8630178231.
13287103680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278806 + ... + 322965.
Almost surely, 213287103680 is an apocalyptic number.
13287103680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13287103680 is an abundant number, since it is smaller than the sum of its proper divisors (30733721664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13287103680 is a wasteful number, since it uses less digits than its factorization.
13287103680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 601814 (or 601804 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 39.
The spelling of 13287103680 in words is "thirteen billion, two hundred eighty-seven million, one hundred three thousand, six hundred eighty".
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