Base | Representation |
---|---|
bin | 110010000011… |
… | …001011101001 |
3 | 220200120120120 |
4 | 302003023221 |
5 | 11324321413 |
6 | 1145113453 |
7 | 216343260 |
oct | 62031351 |
9 | 26616516 |
10 | 13120233 |
11 | 7451475 |
12 | 4488889 |
13 | 2944b69 |
14 | 1a575d7 |
15 | 1242723 |
hex | c832e9 |
13120233 has 16 divisors (see below), whose sum is σ = 20183040. Its totient is φ = 7425936.
The previous prime is 13120231. The next prime is 13120253. The reversal of 13120233 is 33202131.
It is not a de Polignac number, because 13120233 - 21 = 13120231 is a prime.
It is a plaindrome in base 12.
It is not an unprimeable number, because it can be changed into a prime (13120231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673 + ... + 5166.
It is an arithmetic number, because the mean of its divisors is an integer number (1261440).
Almost surely, 213120233 is an apocalyptic number.
It is an amenable number.
13120233 is a deficient number, since it is larger than the sum of its proper divisors (7062807).
13120233 is a wasteful number, since it uses less digits than its factorization.
13120233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5956.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 13120233 is about 3622.1862182941. The cubic root of 13120233 is about 235.8561377835.
Adding to 13120233 its reverse (33202131), we get a palindrome (46322364).
The spelling of 13120233 in words is "thirteen million, one hundred twenty thousand, two hundred thirty-three".
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