Base | Representation |
---|---|
bin | 110010110001… |
… | …100010101011 |
3 | 221001020001112 |
4 | 302301202223 |
5 | 11401410443 |
6 | 1153140535 |
7 | 221064011 |
oct | 62614253 |
9 | 27036045 |
10 | 13310123 |
11 | 7571102 |
12 | 455a74b |
13 | 29b0418 |
14 | 1aa68b1 |
15 | 127db18 |
hex | cb18ab |
13310123 has 4 divisors (see below), whose sum is σ = 13888848. Its totient is φ = 12731400.
The previous prime is 13310113. The next prime is 13310131. The reversal of 13310123 is 32101331.
13310123 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 32101331 = 1933 ⋅16607.
It is a cyclic number.
It is not a de Polignac number, because 13310123 - 24 = 13310107 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13310098 and 13310107.
It is not an unprimeable number, because it can be changed into a prime (13310113) 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, 289328 + ... + 289373.
It is an arithmetic number, because the mean of its divisors is an integer number (3472212).
Almost surely, 213310123 is an apocalyptic number.
13310123 is a deficient number, since it is larger than the sum of its proper divisors (578725).
13310123 is an equidigital number, since it uses as much as digits as its factorization.
13310123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 578724.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 13310123 is about 3648.3041265772. The cubic root of 13310123 is about 236.9885459163.
Adding to 13310123 its reverse (32101331), we get a palindrome (45411454).
The spelling of 13310123 in words is "thirteen million, three hundred ten thousand, one hundred twenty-three".
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