Base | Representation |
---|---|
bin | 110001101011… |
… | …100001001111 |
3 | 220111122121212 |
4 | 301223201033 |
5 | 11313221221 |
6 | 1143045035 |
7 | 215460560 |
oct | 61534117 |
9 | 26448555 |
10 | 13023311 |
11 | 7395674 |
12 | 444077b |
13 | 290ca02 |
14 | 1a30167 |
15 | 1223b5b |
hex | c6b84f |
13023311 has 8 divisors (see below), whose sum is σ = 14933280. Its totient is φ = 11125728.
The previous prime is 13023289. The next prime is 13023383. The reversal of 13023311 is 11332031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13023311 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13023391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716 + ... + 5153.
It is an arithmetic number, because the mean of its divisors is an integer number (1866660).
Almost surely, 213023311 is an apocalyptic number.
13023311 is a deficient number, since it is larger than the sum of its proper divisors (1909969).
13023311 is an equidigital number, since it uses as much as digits as its factorization.
13023311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6193.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 13023311 is about 3608.7824816689. The cubic root of 13023311 is about 235.2739283449.
Adding to 13023311 its reverse (11332031), we get a palindrome (24355342).
The spelling of 13023311 in words is "thirteen million, twenty-three thousand, three hundred eleven".
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