Base | Representation |
---|---|
bin | 11000001111010011… |
… | …00010101010111001 |
3 | 1020120220200200210011 |
4 | 30013221202222321 |
5 | 203122341413223 |
6 | 5551142421521 |
7 | 640323435544 |
oct | 140751425271 |
9 | 36526620704 |
10 | 13013232313 |
11 | 55786a3054 |
12 | 26321318a1 |
13 | 12c5055883 |
14 | 8b641185b |
15 | 5126b780d |
hex | 307a62ab9 |
13013232313 has 4 divisors (see below), whose sum is σ = 13013693668. Its totient is φ = 13012770960.
The previous prime is 13013232311. The next prime is 13013232317. The reversal of 13013232313 is 31323231031.
13013232313 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.
It can be written as a sum of positive squares in 2 ways, for example, as 5557255209 + 7455977104 = 74547^2 + 86348^2 .
It is a cyclic number.
It is not a de Polignac number, because 13013232313 - 21 = 13013232311 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13013232311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185406 + ... + 245767.
It is an arithmetic number, because the mean of its divisors is an integer number (3253423417).
Almost surely, 213013232313 is an apocalyptic number.
It is an amenable number.
13013232313 is a deficient number, since it is larger than the sum of its proper divisors (461355).
13013232313 is an equidigital number, since it uses as much as digits as its factorization.
13013232313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 461354.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 13013232313 its reverse (31323231031), we get a palindrome (44336463344).
The spelling of 13013232313 in words is "thirteen billion, thirteen million, two hundred thirty-two thousand, three hundred thirteen".
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