Base | Representation |
---|---|
bin | 110001101000… |
… | …000011000101 |
3 | 220110221010021 |
4 | 301220003011 |
5 | 11312242333 |
6 | 1142455141 |
7 | 215401246 |
oct | 61500305 |
9 | 26427107 |
10 | 13009093 |
11 | 7385a19 |
12 | 44344b1 |
13 | 29063b6 |
14 | 1a28ccd |
15 | 121e82d |
hex | c680c5 |
13009093 has 4 divisors (see below), whose sum is σ = 13032448. Its totient is φ = 12985740.
The previous prime is 13009069. The next prime is 13009123. The reversal of 13009093 is 39090031.
13009093 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, and also an emirpimes, since its reverse is a distinct semiprime: 39090031 = 823 ⋅47497.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13009093 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 (13039093) 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, 10821 + ... + 11962.
It is an arithmetic number, because the mean of its divisors is an integer number (3258112).
Almost surely, 213009093 is an apocalyptic number.
It is an amenable number.
13009093 is a deficient number, since it is larger than the sum of its proper divisors (23355).
13009093 is an equidigital number, since it uses as much as digits as its factorization.
13009093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23354.
The product of its (nonzero) digits is 729, while the sum is 25.
The square root of 13009093 is about 3606.8120272617. The cubic root of 13009093 is about 235.1882782676.
The spelling of 13009093 in words is "thirteen million, nine thousand, ninety-three".
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