Base | Representation |
---|---|
bin | 110001101010… |
… | …011101000000 |
3 | 220111102122010 |
4 | 301222131000 |
5 | 11313101234 |
6 | 1143012520 |
7 | 215442051 |
oct | 61523500 |
9 | 26442563 |
10 | 13018944 |
11 | 7392364 |
12 | 443a140 |
13 | 290aa23 |
14 | 1a2c728 |
15 | 12226e9 |
hex | c6a740 |
13018944 has 28 divisors (see below), whose sum is σ = 34446464. Its totient is φ = 4339584.
The previous prime is 13018927. The next prime is 13018969. The reversal of 13018944 is 44981031.
It is a happy number.
It is a congruent number.
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, 33712 + ... + 34095.
Almost surely, 213018944 is an apocalyptic number.
It is an amenable number.
13018944 is an abundant number, since it is smaller than the sum of its proper divisors (21427520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13018944 is an equidigital number, since it uses as much as digits as its factorization.
13018944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67822 (or 67812 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 13018944 is about 3608.1773792318. The cubic root of 13018944 is about 235.2476279131.
Adding to 13018944 its reverse (44981031), we get a palindrome (57999975).
The spelling of 13018944 in words is "thirteen million, eighteen thousand, nine hundred forty-four".
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