Base | Representation |
---|---|
bin | 11000110010110011… |
… | …00000110100011000 |
3 | 1021100200000220010022 |
4 | 30121121200310120 |
5 | 204230110122222 |
6 | 10040501210012 |
7 | 650600543252 |
oct | 143131406430 |
9 | 37320026108 |
10 | 13311020312 |
11 | 57107a6637 |
12 | 26b5a00908 |
13 | 134195a8a5 |
14 | 903baacd2 |
15 | 52d8db042 |
hex | 319660d18 |
13311020312 has 128 divisors (see below), whose sum is σ = 27211161600. Its totient is φ = 6092236800.
The previous prime is 13311020293. The next prime is 13311020339. The reversal of 13311020312 is 21302011331.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58638743 + ... + 58638969.
It is an arithmetic number, because the mean of its divisors is an integer number (212587200).
Almost surely, 213311020312 is an apocalyptic number.
It is an amenable number.
13311020312 is an abundant number, since it is smaller than the sum of its proper divisors (13900141288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13311020312 is a wasteful number, since it uses less digits than its factorization.
13311020312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 457 (or 453 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 13311020312 its reverse (21302011331), we get a palindrome (34613031643).
The spelling of 13311020312 in words is "thirteen billion, three hundred eleven million, twenty thousand, three hundred twelve".
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