Base | Representation |
---|---|
bin | 110001100111… |
… | …010111111011 |
3 | 220110210022222 |
4 | 301213113323 |
5 | 11312200311 |
6 | 1142434255 |
7 | 215360222 |
oct | 61472773 |
9 | 26423288 |
10 | 13006331 |
11 | 7383938 |
12 | 443298b |
13 | 2905070 |
14 | 1a27cb9 |
15 | 121dadb |
hex | c675fb |
13006331 has 8 divisors (see below), whose sum is σ = 14056224. Its totient is φ = 11963520.
The previous prime is 13006327. The next prime is 13006333. The reversal of 13006331 is 13360031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13006331 - 22 = 13006327 is a prime.
It is a super-2 number, since 2×130063312 = 338329292163122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13006333) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2435 + ... + 5651.
It is an arithmetic number, because the mean of its divisors is an integer number (1757028).
Almost surely, 213006331 is an apocalyptic number.
13006331 is a deficient number, since it is larger than the sum of its proper divisors (1049893).
13006331 is a wasteful number, since it uses less digits than its factorization.
13006331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3541.
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 13006331 is about 3606.4291203350. The cubic root of 13006331 is about 235.1716325773.
Adding to 13006331 its reverse (13360031), we get a palindrome (26366362).
The spelling of 13006331 in words is "thirteen million, six thousand, three hundred thirty-one".
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