Base | Representation |
---|---|
bin | 101111101111… |
… | …011011011001 |
3 | 212112211101202 |
4 | 233233123121 |
5 | 11200440113 |
6 | 1124123545 |
7 | 211242656 |
oct | 57573331 |
9 | 25484352 |
10 | 12515033 |
11 | 7078803 |
12 | 42365b5 |
13 | 279255b |
14 | 193ac2d |
15 | 1173258 |
hex | bef6d9 |
12515033 has 2 divisors, whose sum is σ = 12515034. Its totient is φ = 12515032.
The previous prime is 12515029. The next prime is 12515039. The reversal of 12515033 is 33051521.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7661824 + 4853209 = 2768^2 + 2203^2 .
It is an emirp because it is prime and its reverse (33051521) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12515033 - 22 = 12515029 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12514996 and 12515014.
It is not a weakly prime, because it can be changed into another prime (12515039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6257516 + 6257517.
It is an arithmetic number, because the mean of its divisors is an integer number (6257517).
Almost surely, 212515033 is an apocalyptic number.
It is an amenable number.
12515033 is a deficient number, since it is larger than the sum of its proper divisors (1).
12515033 is an equidigital number, since it uses as much as digits as its factorization.
12515033 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 450, while the sum is 20.
The square root of 12515033 is about 3537.6592543658. The cubic root of 12515033 is about 232.1724404158.
Adding to 12515033 its reverse (33051521), we get a palindrome (45566554).
The spelling of 12515033 in words is "twelve million, five hundred fifteen thousand, thirty-three".
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