Base | Representation |
---|---|
bin | 110000110111… |
… | …001101011101 |
3 | 220002202201101 |
4 | 300313031131 |
5 | 11234342203 |
6 | 1134313101 |
7 | 213606115 |
oct | 60671535 |
9 | 26082641 |
10 | 12809053 |
11 | 72596a4 |
12 | 4358791 |
13 | 286632a |
14 | 19b6045 |
15 | 11d041d |
hex | c3735d |
12809053 has 2 divisors, whose sum is σ = 12809054. Its totient is φ = 12809052.
The previous prime is 12809047. The next prime is 12809057. The reversal of 12809053 is 35090821.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12236004 + 573049 = 3498^2 + 757^2 .
It is an emirp because it is prime and its reverse (35090821) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12809053 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12809057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6404526 + 6404527.
It is an arithmetic number, because the mean of its divisors is an integer number (6404527).
Almost surely, 212809053 is an apocalyptic number.
It is an amenable number.
12809053 is a deficient number, since it is larger than the sum of its proper divisors (1).
12809053 is an equidigital number, since it uses as much as digits as its factorization.
12809053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 12809053 is about 3578.9737355840. The cubic root of 12809053 is about 233.9765542535.
Adding to 12809053 its reverse (35090821), we get a palindrome (47899874).
The spelling of 12809053 in words is "twelve million, eight hundred nine thousand, fifty-three".
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