Base | Representation |
---|---|
bin | 110001101001… |
… | …000010001101 |
3 | 220111010122220 |
4 | 301221002031 |
5 | 11312410013 |
6 | 1142525553 |
7 | 215416110 |
oct | 61510215 |
9 | 26433586 |
10 | 13013133 |
11 | 7388a61 |
12 | 44368b9 |
13 | 29081a3 |
14 | 1a2a577 |
15 | 1220b23 |
hex | c6908d |
13013133 has 16 divisors (see below), whose sum is σ = 20292096. Its totient is φ = 7262640.
The previous prime is 13013131. The next prime is 13013137. The reversal of 13013133 is 33131031.
It is not a de Polignac number, because 13013133 - 21 = 13013131 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13013131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6303 + ... + 8108.
It is an arithmetic number, because the mean of its divisors is an integer number (1268256).
Almost surely, 213013133 is an apocalyptic number.
It is an amenable number.
13013133 is a deficient number, since it is larger than the sum of its proper divisors (7278963).
13013133 is a wasteful number, since it uses less digits than its factorization.
13013133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14464.
The product of its (nonzero) digits is 81, while the sum is 15.
The square root of 13013133 is about 3607.3720351525. The cubic root of 13013133 is about 235.2126218121.
Adding to 13013133 its reverse (33131031), we get a palindrome (46144164).
The spelling of 13013133 in words is "thirteen million, thirteen thousand, one hundred thirty-three".
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