Base | Representation |
---|---|
bin | 110010000101… |
… | …100111010001 |
3 | 220201002020110 |
4 | 302011213101 |
5 | 11330131233 |
6 | 1145231533 |
7 | 216414306 |
oct | 62054721 |
9 | 26632213 |
10 | 13130193 |
11 | 74589aa |
12 | 44925a9 |
13 | 294955b |
14 | 1a5b0ad |
15 | 1245663 |
hex | c859d1 |
13130193 has 4 divisors (see below), whose sum is σ = 17506928. Its totient is φ = 8753460.
The previous prime is 13130177. The next prime is 13130231. The reversal of 13130193 is 39103131.
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 13130193 - 24 = 13130177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13130113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188363 + ... + 2188368.
It is an arithmetic number, because the mean of its divisors is an integer number (4376732).
Almost surely, 213130193 is an apocalyptic number.
It is an amenable number.
13130193 is a deficient number, since it is larger than the sum of its proper divisors (4376735).
13130193 is an equidigital number, since it uses as much as digits as its factorization.
13130193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4376734.
The product of its (nonzero) digits is 243, while the sum is 21.
The square root of 13130193 is about 3623.5608177592. The cubic root of 13130193 is about 235.9158047358.
The spelling of 13130193 in words is "thirteen million, one hundred thirty thousand, one hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •