Base | Representation |
---|---|
bin | 11000010000001110… |
… | …01101100011000001 |
3 | 1020121110022211220211 |
4 | 30020013031203001 |
5 | 203131334310423 |
6 | 5552021234121 |
7 | 640446521416 |
oct | 141007154301 |
9 | 36543284824 |
10 | 13021010113 |
11 | 5582025691 |
12 | 2634862941 |
13 | 12c6849b17 |
14 | 8b747810d |
15 | 51320210d |
hex | 3081cd8c1 |
13021010113 has 4 divisors (see below), whose sum is σ = 13071675780. Its totient is φ = 12970344448.
The previous prime is 13021010083. The next prime is 13021010129. The reversal of 13021010113 is 31101012031.
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 11684961409 + 1336048704 = 108097^2 + 36552^2 .
It is a cyclic number.
It is not a de Polignac number, because 13021010113 - 29 = 13021009601 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13021010093 and 13021010102.
It is not an unprimeable number, because it can be changed into a prime (13021010183) 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, 25332448 + ... + 25332961.
It is an arithmetic number, because the mean of its divisors is an integer number (3267918945).
Almost surely, 213021010113 is an apocalyptic number.
It is an amenable number.
13021010113 is a deficient number, since it is larger than the sum of its proper divisors (50665667).
13021010113 is an equidigital number, since it uses as much as digits as its factorization.
13021010113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50665666.
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 13021010113 its reverse (31101012031), we get a palindrome (44122022144).
The spelling of 13021010113 in words is "thirteen billion, twenty-one million, ten thousand, one hundred thirteen".
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