Base | Representation |
---|---|
bin | 110001101010… |
… | …001110101100 |
3 | 220111101101012 |
4 | 301222032230 |
5 | 11313034103 |
6 | 1143004352 |
7 | 215436302 |
oct | 61521654 |
9 | 26441335 |
10 | 13018028 |
11 | 7391701 |
12 | 44396b8 |
13 | 290a49a |
14 | 1a2c272 |
15 | 12222d8 |
hex | c6a3ac |
13018028 has 12 divisors (see below), whose sum is σ = 22857912. Its totient is φ = 6487200.
The previous prime is 13018009. The next prime is 13018037. The reversal of 13018028 is 82081031.
13018028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 13017994 and 13018012.
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, 4073 + ... + 6528.
It is an arithmetic number, because the mean of its divisors is an integer number (1904826).
Almost surely, 213018028 is an apocalyptic number.
It is an amenable number.
13018028 is a deficient number, since it is larger than the sum of its proper divisors (9839884).
13018028 is a wasteful number, since it uses less digits than its factorization.
13018028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10912 (or 10910 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 23.
The square root of 13018028 is about 3608.0504431064. The cubic root of 13018028 is about 235.2421105204.
Adding to 13018028 its reverse (82081031), we get a palindrome (95099059).
The spelling of 13018028 in words is "thirteen million, eighteen thousand, twenty-eight".
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