Base | Representation |
---|---|
bin | 110010000100… |
… | …000111011001 |
3 | 220200202211012 |
4 | 302010013121 |
5 | 11324432212 |
6 | 1145143305 |
7 | 216360362 |
oct | 62040731 |
9 | 26622735 |
10 | 13124057 |
11 | 7454331 |
12 | 448ab35 |
13 | 294681b |
14 | 1a58b69 |
15 | 1243922 |
hex | c841d9 |
13124057 has 2 divisors, whose sum is σ = 13124058. Its totient is φ = 13124056.
The previous prime is 13124047. The next prime is 13124071. The reversal of 13124057 is 75042131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13097161 + 26896 = 3619^2 + 164^2 .
It is a cyclic number.
It is not a de Polignac number, because 13124057 - 212 = 13119961 is a prime.
It is not a weakly prime, because it can be changed into another prime (13124047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562028 + 6562029.
It is an arithmetic number, because the mean of its divisors is an integer number (6562029).
Almost surely, 213124057 is an apocalyptic number.
It is an amenable number.
13124057 is a deficient number, since it is larger than the sum of its proper divisors (1).
13124057 is an equidigital number, since it uses as much as digits as its factorization.
13124057 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 13124057 is about 3622.7140378451. The cubic root of 13124057 is about 235.8790496292.
Adding to 13124057 its reverse (75042131), we get a palindrome (88166188).
The spelling of 13124057 in words is "thirteen million, one hundred twenty-four thousand, fifty-seven".
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