Base | Representation |
---|---|
bin | 11000101000010101… |
… | …01000001011011111 |
3 | 1021010112211210111121 |
4 | 30110022220023133 |
5 | 204040121412343 |
6 | 10024043431411 |
7 | 645453422305 |
oct | 142412501337 |
9 | 37115753447 |
10 | 13223232223 |
11 | 56761960a3 |
12 | 2690525567 |
13 | 1329701686 |
14 | 8d6278275 |
15 | 525d49aed |
hex | 3142a82df |
13223232223 has 4 divisors (see below), whose sum is σ = 13223758840. Its totient is φ = 13222705608.
The previous prime is 13223232133. The next prime is 13223232257. The reversal of 13223232223 is 32223232231.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13223232223 - 221 = 13221135071 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 (13223232293) 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, 223653 + ... + 276526.
It is an arithmetic number, because the mean of its divisors is an integer number (3305939710).
Almost surely, 213223232223 is an apocalyptic number.
13223232223 is a deficient number, since it is larger than the sum of its proper divisors (526617).
13223232223 is an equidigital number, since it uses as much as digits as its factorization.
13223232223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 526616.
The product of its digits is 5184, while the sum is 25.
Adding to 13223232223 its reverse (32223232231), we get a palindrome (45446464454).
The spelling of 13223232223 in words is "thirteen billion, two hundred twenty-three million, two hundred thirty-two thousand, two hundred twenty-three".
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