Base | Representation |
---|---|
bin | 110001101011… |
… | …011110000011 |
3 | 220111122100022 |
4 | 301223132003 |
5 | 11313214412 |
6 | 1143044055 |
7 | 215460146 |
oct | 61533603 |
9 | 26448308 |
10 | 13023107 |
11 | 73954a9 |
12 | 444062b |
13 | 290c8a6 |
14 | 1a3005d |
15 | 1223a72 |
hex | c6b783 |
13023107 has 4 divisors (see below), whose sum is σ = 13268880. Its totient is φ = 12777336.
The previous prime is 13023067. The next prime is 13023119. The reversal of 13023107 is 70132031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70132031 = 769 ⋅91199.
It is a cyclic number.
It is not a de Polignac number, because 13023107 - 210 = 13022083 is a prime.
It is a super-3 number, since 3×130231073 (a number of 22 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13023167) 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, 122807 + ... + 122912.
It is an arithmetic number, because the mean of its divisors is an integer number (3317220).
Almost surely, 213023107 is an apocalyptic number.
13023107 is a deficient number, since it is larger than the sum of its proper divisors (245773).
13023107 is an equidigital number, since it uses as much as digits as its factorization.
13023107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 245772.
The product of its (nonzero) digits is 126, while the sum is 17.
The square root of 13023107 is about 3608.7542171780. The cubic root of 13023107 is about 235.2726998777.
Adding to 13023107 its reverse (70132031), we get a palindrome (83155138).
The spelling of 13023107 in words is "thirteen million, twenty-three thousand, one hundred seven".
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