Base | Representation |
---|---|
bin | 110010110110… |
… | …011011011001 |
3 | 221002020111210 |
4 | 302312123121 |
5 | 11403031022 |
6 | 1153413333 |
7 | 221206242 |
oct | 62663331 |
9 | 27066453 |
10 | 13330137 |
11 | 7585147 |
12 | 456a249 |
13 | 29b9572 |
14 | 1aadcc9 |
15 | 1284a0c |
hex | cb66d9 |
13330137 has 4 divisors (see below), whose sum is σ = 17773520. Its totient is φ = 8886756.
The previous prime is 13330127. The next prime is 13330139. The reversal of 13330137 is 73103331.
13330137 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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.
It is not a de Polignac number, because 13330137 - 26 = 13330073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13330139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2221687 + ... + 2221692.
It is an arithmetic number, because the mean of its divisors is an integer number (4443380).
Almost surely, 213330137 is an apocalyptic number.
It is an amenable number.
13330137 is a deficient number, since it is larger than the sum of its proper divisors (4443383).
13330137 is an equidigital number, since it uses as much as digits as its factorization.
13330137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4443382.
The product of its (nonzero) digits is 567, while the sum is 21.
The square root of 13330137 is about 3651.0460145005. The cubic root of 13330137 is about 237.1072704240.
Adding to 13330137 its reverse (73103331), we get a palindrome (86433468).
The spelling of 13330137 in words is "thirteen million, three hundred thirty thousand, one hundred thirty-seven".
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