Base | Representation |
---|---|
bin | 110001101010… |
… | …000001000101 |
3 | 220111100011221 |
4 | 301222001011 |
5 | 11313022112 |
6 | 1143000341 |
7 | 215433616 |
oct | 61520105 |
9 | 26440157 |
10 | 13017157 |
11 | 7390a8a |
12 | 44390b1 |
13 | 2909c7a |
14 | 1a2bc0d |
15 | 1221e07 |
hex | c6a045 |
13017157 has 2 divisors, whose sum is σ = 13017158. Its totient is φ = 13017156.
The previous prime is 13017127. The next prime is 13017161. The reversal of 13017157 is 75171031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9326916 + 3690241 = 3054^2 + 1921^2 .
It is a cyclic number.
It is not a de Polignac number, because 13017157 - 27 = 13017029 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13017127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6508578 + 6508579.
It is an arithmetic number, because the mean of its divisors is an integer number (6508579).
Almost surely, 213017157 is an apocalyptic number.
It is an amenable number.
13017157 is a deficient number, since it is larger than the sum of its proper divisors (1).
13017157 is an equidigital number, since it uses as much as digits as its factorization.
13017157 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 735, while the sum is 25.
The square root of 13017157 is about 3607.9297387837. The cubic root of 13017157 is about 235.2368639386.
Adding to 13017157 its reverse (75171031), we get a palindrome (88188188).
The spelling of 13017157 in words is "thirteen million, seventeen thousand, one hundred fifty-seven".
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