Base | Representation |
---|---|
bin | 11000101100000000… |
… | …00101110011111101 |
3 | 1021012200210012111021 |
4 | 30112000011303331 |
5 | 204121012240240 |
6 | 10031103424141 |
7 | 646306230454 |
oct | 142600056375 |
9 | 37180705437 |
10 | 13254024445 |
11 | 5691607812 |
12 | 269a8b5051 |
13 | 1332bc311c |
14 | 8da3b1b9b |
15 | 5288cd54a |
hex | 316005cfd |
13254024445 has 4 divisors (see below), whose sum is σ = 15904829340. Its totient is φ = 10603219552.
The previous prime is 13254024439. The next prime is 13254024457. The reversal of 13254024445 is 54442045231.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54442045231 = 7 ⋅7777435033.
It can be written as a sum of positive squares in 2 ways, for example, as 5767794916 + 7486229529 = 75946^2 + 86523^2 .
It is a cyclic number.
It is not a de Polignac number, because 13254024445 - 27 = 13254024317 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13254024445.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325402440 + ... + 1325402449.
It is an arithmetic number, because the mean of its divisors is an integer number (3976207335).
Almost surely, 213254024445 is an apocalyptic number.
It is an amenable number.
13254024445 is a deficient number, since it is larger than the sum of its proper divisors (2650804895).
13254024445 is an equidigital number, since it uses as much as digits as its factorization.
13254024445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2650804894.
The product of its (nonzero) digits is 76800, while the sum is 34.
Adding to 13254024445 its reverse (54442045231), we get a palindrome (67696069676).
The spelling of 13254024445 in words is "thirteen billion, two hundred fifty-four million, twenty-four thousand, four hundred forty-five".
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