Base | Representation |
---|---|
bin | 110010010100… |
… | …010101110001 |
3 | 220211010222112 |
4 | 302110111301 |
5 | 11334044023 |
6 | 1150415105 |
7 | 220055210 |
oct | 62242561 |
9 | 26733875 |
10 | 13190513 |
11 | 749a256 |
12 | 4501495 |
13 | 296ab4b |
14 | 1a75077 |
15 | 1258478 |
hex | c94571 |
13190513 has 4 divisors (see below), whose sum is σ = 15074880. Its totient is φ = 11306148.
The previous prime is 13190509. The next prime is 13190533. The reversal of 13190513 is 31509131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31509131 = 1097 ⋅28723.
It is not a de Polignac number, because 13190513 - 22 = 13190509 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13190533) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942173 + ... + 942186.
It is an arithmetic number, because the mean of its divisors is an integer number (3768720).
Almost surely, 213190513 is an apocalyptic number.
It is an amenable number.
13190513 is a deficient number, since it is larger than the sum of its proper divisors (1884367).
13190513 is an equidigital number, since it uses as much as digits as its factorization.
13190513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1884366.
The product of its (nonzero) digits is 405, while the sum is 23.
The square root of 13190513 is about 3631.8745848391. The cubic root of 13190513 is about 236.2765180241.
Adding to 13190513 its reverse (31509131), we get a palindrome (44699644).
The spelling of 13190513 in words is "thirteen million, one hundred ninety thousand, five hundred thirteen".
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