Base | Representation |
---|---|
bin | 110001100110… |
… | …101000110000 |
3 | 220110122012011 |
4 | 301212220300 |
5 | 11312101222 |
6 | 1142412304 |
7 | 215345350 |
oct | 61465060 |
9 | 26418164 |
10 | 13003312 |
11 | 7381643 |
12 | 4431094 |
13 | 290388a |
14 | 1a26b60 |
15 | 121cc77 |
hex | c66a30 |
13003312 has 20 divisors (see below), whose sum is σ = 28793296. Its totient is φ = 5572800.
The previous prime is 13003301. The next prime is 13003313. The reversal of 13003312 is 21330031.
It is a super-2 number, since 2×130033122 = 338172245938688, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13003292 and 13003301.
It is not an unprimeable number, because it can be changed into a prime (13003313) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57939 + ... + 58162.
Almost surely, 213003312 is an apocalyptic number.
It is an amenable number.
13003312 is an abundant number, since it is smaller than the sum of its proper divisors (15789984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13003312 is a wasteful number, since it uses less digits than its factorization.
13003312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116116 (or 116110 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 13.
The square root of 13003312 is about 3606.0105379768. The cubic root of 13003312 is about 235.1534353342.
Adding to 13003312 its reverse (21330031), we get a palindrome (34333343).
The spelling of 13003312 in words is "thirteen million, three thousand, three hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •