Base | Representation |
---|---|
bin | 11000110010110101… |
… | …01010100001100101 |
3 | 1021100200121020020211 |
4 | 30121122222201211 |
5 | 204230144302323 |
6 | 10040511455421 |
7 | 650603241400 |
oct | 143132524145 |
9 | 37320536224 |
10 | 13311322213 |
11 | 5710992442 |
12 | 26b5b27571 |
13 | 1341a35127 |
14 | 903c48d37 |
15 | 52d94a70d |
hex | 3196aa865 |
13311322213 has 6 divisors (see below), whose sum is σ = 15484599366. Its totient is φ = 11409704712.
The previous prime is 13311322163. The next prime is 13311322237. The reversal of 13311322213 is 31222311331.
It can be written as a sum of positive squares in only one way, i.e., 6908601924 + 6402720289 = 83118^2 + 80017^2 .
It is not a de Polignac number, because 13311322213 - 217 = 13311191141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13311322273) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135829770 + ... + 135829867.
It is an arithmetic number, because the mean of its divisors is an integer number (2580766561).
Almost surely, 213311322213 is an apocalyptic number.
It is an amenable number.
13311322213 is a deficient number, since it is larger than the sum of its proper divisors (2173277153).
13311322213 is an equidigital number, since it uses as much as digits as its factorization.
13311322213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 271659651 (or 271659644 counting only the distinct ones).
The product of its digits is 648, while the sum is 22.
Adding to 13311322213 its reverse (31222311331), we get a palindrome (44533633544).
The spelling of 13311322213 in words is "thirteen billion, three hundred eleven million, three hundred twenty-two thousand, two hundred thirteen".
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