Base | Representation |
---|---|
bin | 11000100101101101… |
… | …01000110001100101 |
3 | 1021002000102011221210 |
4 | 30102312220301211 |
5 | 204014002331230 |
6 | 10021535502033 |
7 | 645065321010 |
oct | 142266506145 |
9 | 37060364853 |
10 | 13201214565 |
11 | 5664817990 |
12 | 2685087919 |
13 | 1324c92a86 |
14 | 8d3386377 |
15 | 523e4aeb0 |
hex | 312da8c65 |
13201214565 has 64 divisors (see below), whose sum is σ = 26358773760. Its totient is φ = 5481027840.
The previous prime is 13201214539. The next prime is 13201214569. The reversal of 13201214565 is 56541210231.
It is not a de Polignac number, because 13201214565 - 26 = 13201214501 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13201214569) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1366171 + ... + 1375799.
It is an arithmetic number, because the mean of its divisors is an integer number (411855840).
Almost surely, 213201214565 is an apocalyptic number.
13201214565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13201214565 is a deficient number, since it is larger than the sum of its proper divisors (13157559195).
13201214565 is a wasteful number, since it uses less digits than its factorization.
13201214565 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10842.
The product of its (nonzero) digits is 7200, while the sum is 30.
Adding to 13201214565 its reverse (56541210231), we get a palindrome (69742424796).
The spelling of 13201214565 in words is "thirteen billion, two hundred one million, two hundred fourteen thousand, five hundred sixty-five".
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