Base | Representation |
---|---|
bin | 110001111111… |
… | …110010011011 |
3 | 220122212111200 |
4 | 301333302123 |
5 | 11323400311 |
6 | 1144525243 |
7 | 216254610 |
oct | 61776233 |
9 | 26585450 |
10 | 13106331 |
11 | 7441a87 |
12 | 4480823 |
13 | 293b734 |
14 | 1a52507 |
15 | 123d556 |
hex | c7fc9b |
13106331 has 12 divisors (see below), whose sum is σ = 21635952. Its totient is φ = 7489296.
The previous prime is 13106329. The next prime is 13106351. The reversal of 13106331 is 13360131.
13106331 is a `hidden beast` number, since 1 + 31 + 0 + 633 + 1 = 666.
It is not a de Polignac number, because 13106331 - 21 = 13106329 is a prime.
It is a super-2 number, since 2×131063312 = 343551824563122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13106351) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103956 + ... + 104081.
It is an arithmetic number, because the mean of its divisors is an integer number (1802996).
Almost surely, 213106331 is an apocalyptic number.
13106331 is a deficient number, since it is larger than the sum of its proper divisors (8529621).
13106331 is a wasteful number, since it uses less digits than its factorization.
13106331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208050 (or 208047 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
The square root of 13106331 is about 3620.2667028825. The cubic root of 13106331 is about 235.7728051478.
Adding to 13106331 its reverse (13360131), we get a palindrome (26466462).
The spelling of 13106331 in words is "thirteen million, one hundred six thousand, three hundred thirty-one".
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