Base | Representation |
---|---|
bin | 11001011100110010… |
… | …01110111111000110 |
3 | 1022021012211222012211 |
4 | 30232121032333012 |
5 | 210440244100211 |
6 | 10135443134034 |
7 | 662405603635 |
oct | 145631167706 |
9 | 38235758184 |
10 | 13663268806 |
11 | 58816170a0 |
12 | 279397431a |
13 | 1399920355 |
14 | 9388a151c |
15 | 54e7bae21 |
hex | 32e64efc6 |
13663268806 has 16 divisors (see below), whose sum is σ = 22362537168. Its totient is φ = 6209337600.
The previous prime is 13663268803. The next prime is 13663268833. The reversal of 13663268806 is 60886236631.
It is a self number, because there is not a number n which added to its sum of digits gives 13663268806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13663268803) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55786 + ... + 174466.
It is an arithmetic number, because the mean of its divisors is an integer number (1397658573).
Almost surely, 213663268806 is an apocalyptic number.
13663268806 is a deficient number, since it is larger than the sum of its proper divisors (8699268362).
13663268806 is a wasteful number, since it uses less digits than its factorization.
13663268806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123927.
The product of its (nonzero) digits is 1492992, while the sum is 49.
The spelling of 13663268806 in words is "thirteen billion, six hundred sixty-three million, two hundred sixty-eight thousand, eight hundred six".
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