Base | Representation |
---|---|
bin | 110010000101… |
… | …111001100001 |
3 | 220201010211201 |
4 | 302011321201 |
5 | 11330200421 |
6 | 1145241201 |
7 | 216420565 |
oct | 62057141 |
9 | 26633751 |
10 | 13131361 |
11 | 7459871 |
12 | 4493201 |
13 | 2949c49 |
14 | 1a5b6a5 |
15 | 1245b91 |
hex | c85e61 |
13131361 has 8 divisors (see below), whose sum is σ = 14035680. Its totient is φ = 12241728.
The previous prime is 13131359. The next prime is 13131373. The reversal of 13131361 is 16313131.
13131361 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13131361 - 21 = 13131359 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13131331) 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 7 ways as a sum of consecutive naturals, for example, 1791 + ... + 5428.
It is an arithmetic number, because the mean of its divisors is an integer number (1754460).
Almost surely, 213131361 is an apocalyptic number.
It is an amenable number.
13131361 is a deficient number, since it is larger than the sum of its proper divisors (904319).
13131361 is a wasteful number, since it uses less digits than its factorization.
13131361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7343.
The product of its digits is 162, while the sum is 19.
The square root of 13131361 is about 3623.7219816095. The cubic root of 13131361 is about 235.9227998472.
Adding to 13131361 its reverse (16313131), we get a palindrome (29444492).
The spelling of 13131361 in words is "thirteen million, one hundred thirty-one thousand, three hundred sixty-one".
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