Base | Representation |
---|---|
bin | 110010110001… |
… | …110110000101 |
3 | 221001021202112 |
4 | 302301312011 |
5 | 11401430430 |
6 | 1153150405 |
7 | 221100434 |
oct | 62616605 |
9 | 27037675 |
10 | 13311365 |
11 | 7572031 |
12 | 455b405 |
13 | 29b0b62 |
14 | 1aa711b |
15 | 127e195 |
hex | cb1d85 |
13311365 has 8 divisors (see below), whose sum is σ = 16668288. Its totient is φ = 10186000.
The previous prime is 13311349. The next prime is 13311367. The reversal of 13311365 is 56311331.
It is a happy number.
13311365 is digitally balanced in base 2, 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 not a de Polignac number, because 13311365 - 24 = 13311349 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13311365.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13311367) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57761 + ... + 57990.
It is an arithmetic number, because the mean of its divisors is an integer number (2083536).
Almost surely, 213311365 is an apocalyptic number.
It is an amenable number.
13311365 is a deficient number, since it is larger than the sum of its proper divisors (3356923).
13311365 is a wasteful number, since it uses less digits than its factorization.
13311365 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115779.
The product of its digits is 810, while the sum is 23.
The square root of 13311365 is about 3648.4743386791. The cubic root of 13311365 is about 236.9959170132.
Adding to 13311365 its reverse (56311331), we get a palindrome (69622696).
The spelling of 13311365 in words is "thirteen million, three hundred eleven thousand, three hundred sixty-five".
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