Base | Representation |
---|---|
bin | 110011100100… |
… | …010011101001 |
3 | 221102210021210 |
4 | 303210103221 |
5 | 11430034212 |
6 | 1201423333 |
7 | 222621150 |
oct | 63442351 |
9 | 27383253 |
10 | 13518057 |
11 | 76a3353 |
12 | 463ab49 |
13 | 2a53c67 |
14 | 1b1c597 |
15 | 12c053c |
hex | ce44e9 |
13518057 has 16 divisors (see below), whose sum is σ = 20684160. Its totient is φ = 7692672.
The previous prime is 13518053. The next prime is 13518073. The reversal of 13518057 is 75081531.
13518057 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13518057 - 22 = 13518053 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13518053) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4453 + ... + 6845.
It is an arithmetic number, because the mean of its divisors is an integer number (1292760).
Almost surely, 213518057 is an apocalyptic number.
It is an amenable number.
13518057 is a deficient number, since it is larger than the sum of its proper divisors (7166103).
13518057 is a wasteful number, since it uses less digits than its factorization.
13518057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2672.
The product of its (nonzero) digits is 4200, while the sum is 30.
The square root of 13518057 is about 3676.6910395082. The cubic root of 13518057 is about 238.2162723527.
Adding to 13518057 its reverse (75081531), we get a palindrome (88599588).
The spelling of 13518057 in words is "thirteen million, five hundred eighteen thousand, fifty-seven".
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