Base | Representation |
---|---|
bin | 110010110001… |
… | …110110001101 |
3 | 221001021202211 |
4 | 302301312031 |
5 | 11401430443 |
6 | 1153150421 |
7 | 221100445 |
oct | 62616615 |
9 | 27037684 |
10 | 13311373 |
11 | 7572039 |
12 | 455b411 |
13 | 29b0b6a |
14 | 1aa7125 |
15 | 127e19d |
hex | cb1d8d |
13311373 has 4 divisors (see below), whose sum is σ = 13319740. Its totient is φ = 13303008.
The previous prime is 13311371. The next prime is 13311383. The reversal of 13311373 is 37311331.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 3090564 + 10220809 = 1758^2 + 3197^2 .
It is a cyclic number.
It is not a de Polignac number, because 13311373 - 21 = 13311371 is a prime.
It is a super-2 number, since 2×133113732 = 354385302290258, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13311371) 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 3 ways as a sum of consecutive naturals, for example, 978 + ... + 5251.
It is an arithmetic number, because the mean of its divisors is an integer number (3329935).
Almost surely, 213311373 is an apocalyptic number.
It is an amenable number.
13311373 is a deficient number, since it is larger than the sum of its proper divisors (8367).
13311373 is an equidigital number, since it uses as much as digits as its factorization.
13311373 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8366.
The product of its digits is 567, while the sum is 22.
The square root of 13311373 is about 3648.4754350276. The cubic root of 13311373 is about 236.9959644906.
It can be divided in two parts, 1331 and 1373, that added together give a square (2704 = 522).
The spelling of 13311373 in words is "thirteen million, three hundred eleven thousand, three hundred seventy-three".
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