Base | Representation |
---|---|
bin | 11001001100001101… |
… | …00001001101110101 |
3 | 1021220112001202020202 |
4 | 30212012201031311 |
5 | 210144140120023 |
6 | 10113553210245 |
7 | 656066223131 |
oct | 144606411565 |
9 | 37815052222 |
10 | 13524145013 |
11 | 5810033355 |
12 | 2755260985 |
13 | 1376b5ba92 |
14 | 9242083c1 |
15 | 542489128 |
hex | 3261a1375 |
13524145013 has 4 divisors (see below), whose sum is σ = 13525060620. Its totient is φ = 13523229408.
The previous prime is 13524145009. The next prime is 13524145027. The reversal of 13524145013 is 31054142531.
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 9261752644 + 4262392369 = 96238^2 + 65287^2 .
It is a cyclic number.
It is not a de Polignac number, because 13524145013 - 22 = 13524145009 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 (13524145073) 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, 435278 + ... + 465311.
It is an arithmetic number, because the mean of its divisors is an integer number (3381265155).
Almost surely, 213524145013 is an apocalyptic number.
It is an amenable number.
13524145013 is a deficient number, since it is larger than the sum of its proper divisors (915607).
13524145013 is an equidigital number, since it uses as much as digits as its factorization.
13524145013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 915606.
The product of its (nonzero) digits is 7200, while the sum is 29.
Adding to 13524145013 its reverse (31054142531), we get a palindrome (44578287544).
The spelling of 13524145013 in words is "thirteen billion, five hundred twenty-four million, one hundred forty-five thousand, thirteen".
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