Base | Representation |
---|---|
bin | 110010000110… |
… | …011001100101 |
3 | 220201020122201 |
4 | 302012121211 |
5 | 11330232123 |
6 | 1145254501 |
7 | 216426556 |
oct | 62063145 |
9 | 26636581 |
10 | 13133413 |
11 | 7460367 |
12 | 4494431 |
13 | 294ab67 |
14 | 1a5c32d |
15 | 12465ad |
hex | c86665 |
13133413 has 4 divisors (see below), whose sum is σ = 13141408. Its totient is φ = 13125420.
The previous prime is 13133411. The next prime is 13133423. The reversal of 13133413 is 31433131.
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 a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 13133413 - 21 = 13133411 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13133411) 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, 531 + ... + 5152.
It is an arithmetic number, because the mean of its divisors is an integer number (3285352).
Almost surely, 213133413 is an apocalyptic number.
It is an amenable number.
13133413 is a deficient number, since it is larger than the sum of its proper divisors (7995).
13133413 is an equidigital number, since it uses as much as digits as its factorization.
13133413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7994.
The product of its digits is 324, while the sum is 19.
The square root of 13133413 is about 3624.0051048529. The cubic root of 13133413 is about 235.9350881995.
Adding to 13133413 its reverse (31433131), we get a palindrome (44566544).
The spelling of 13133413 in words is "thirteen million, one hundred thirty-three thousand, four hundred thirteen".
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