Base | Representation |
---|---|
bin | 110010010100… |
… | …001100010011 |
3 | 220211010011002 |
4 | 302110030103 |
5 | 11334034112 |
6 | 1150412215 |
7 | 220053353 |
oct | 62241423 |
9 | 26733132 |
10 | 13189907 |
11 | 7499855 |
12 | 450106b |
13 | 296a7a3 |
14 | 1a74b63 |
15 | 12581c2 |
hex | c94313 |
13189907 has 2 divisors, whose sum is σ = 13189908. Its totient is φ = 13189906.
The previous prime is 13189901. The next prime is 13189937. The reversal of 13189907 is 70998131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13189907 - 222 = 8995603 is a prime.
It is not a weakly prime, because it can be changed into another prime (13189901) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6594953 + 6594954.
It is an arithmetic number, because the mean of its divisors is an integer number (6594954).
Almost surely, 213189907 is an apocalyptic number.
13189907 is a deficient number, since it is larger than the sum of its proper divisors (1).
13189907 is an equidigital number, since it uses as much as digits as its factorization.
13189907 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13608, while the sum is 38.
The square root of 13189907 is about 3631.7911558899. The cubic root of 13189907 is about 236.2728996214.
The spelling of 13189907 in words is "thirteen million, one hundred eighty-nine thousand, nine hundred seven".
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