Base | Representation |
---|---|
bin | 11000101000011110… |
… | …10001101010011001 |
3 | 1021010122010200221212 |
4 | 30110033101222121 |
5 | 204040424410323 |
6 | 10024125512505 |
7 | 645466655615 |
oct | 142417215231 |
9 | 37118120855 |
10 | 13224450713 |
11 | 5676948611 |
12 | 2690a12735 |
13 | 1329a3a186 |
14 | 8d64b4345 |
15 | 525edab78 |
hex | 3143d1a99 |
13224450713 has 4 divisors (see below), whose sum is σ = 13225371648. Its totient is φ = 13223529780.
The previous prime is 13224450703. The next prime is 13224450721. The reversal of 13224450713 is 31705442231.
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, and also an emirpimes, since its reverse is a distinct semiprime: 31705442231 = 31 ⋅1022756201.
It is a cyclic number.
It is not a de Polignac number, because 13224450713 - 218 = 13224188569 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13224450713.
It is not an unprimeable number, because it can be changed into a prime (13224450703) 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, 438581 + ... + 467762.
It is an arithmetic number, because the mean of its divisors is an integer number (3306342912).
Almost surely, 213224450713 is an apocalyptic number.
It is an amenable number.
13224450713 is a deficient number, since it is larger than the sum of its proper divisors (920935).
13224450713 is an equidigital number, since it uses as much as digits as its factorization.
13224450713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 920934.
The product of its (nonzero) digits is 20160, while the sum is 32.
Adding to 13224450713 its reverse (31705442231), we get a palindrome (44929892944).
The spelling of 13224450713 in words is "thirteen billion, two hundred twenty-four million, four hundred fifty thousand, seven hundred thirteen".
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