Base | Representation |
---|---|
bin | 11000100110000100… |
… | …11011001010000000 |
3 | 1021002020020011120021 |
4 | 30103002123022000 |
5 | 204020300221022 |
6 | 10022130023224 |
7 | 645133510420 |
oct | 142302331200 |
9 | 37066204507 |
10 | 13204304512 |
11 | 5666538463 |
12 | 2686117b14 |
13 | 1325805349 |
14 | 8d394c480 |
15 | 52435b7c7 |
hex | 31309b280 |
13204304512 has 32 divisors (see below), whose sum is σ = 30063373920. Its totient is φ = 5658987264.
The previous prime is 13204304479. The next prime is 13204304521. The reversal of 13204304512 is 21540340231.
It is a tau number, because it is divible by the number of its divisors (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7367578 + ... + 7369369.
It is an arithmetic number, because the mean of its divisors is an integer number (939480435).
Almost surely, 213204304512 is an apocalyptic number.
It is an amenable number.
13204304512 is an abundant number, since it is smaller than the sum of its proper divisors (16859069408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13204304512 is an equidigital number, since it uses as much as digits as its factorization.
13204304512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14736968 (or 14736956 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 13204304512 its reverse (21540340231), we get a palindrome (34744644743).
The spelling of 13204304512 in words is "thirteen billion, two hundred four million, three hundred four thousand, five hundred twelve".
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