Base | Representation |
---|---|
bin | 11000101001001100… |
… | …00101101100100011 |
3 | 1021011001101112101101 |
4 | 30110212011230203 |
5 | 204043442243021 |
6 | 10024502015231 |
7 | 645601544110 |
oct | 142446055443 |
9 | 37131345341 |
10 | 13230431011 |
11 | 567a262706 |
12 | 2692a17517 |
13 | 132b052205 |
14 | 8d71cd907 |
15 | 5267bca91 |
hex | 314985b23 |
13230431011 has 16 divisors (see below), whose sum is σ = 15746904000. Its totient is φ = 10875811968.
The previous prime is 13230431003. The next prime is 13230431021. The reversal of 13230431011 is 11013403231.
It is not a de Polignac number, because 13230431011 - 23 = 13230431003 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 13230431011.
It is not an unprimeable number, because it can be changed into a prime (13230431021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188460 + ... + 248953.
It is an arithmetic number, because the mean of its divisors is an integer number (984181500).
Almost surely, 213230431011 is an apocalyptic number.
13230431011 is a deficient number, since it is larger than the sum of its proper divisors (2516472989).
13230431011 is a wasteful number, since it uses less digits than its factorization.
13230431011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 437598.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 13230431011 its reverse (11013403231), we get a palindrome (24243834242).
The spelling of 13230431011 in words is "thirteen billion, two hundred thirty million, four hundred thirty-one thousand, eleven".
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