Base | Representation |
---|---|
bin | 10101101100111110… |
… | …010100001000101101 |
3 | 2020011000220201000002 |
4 | 111230332110020231 |
5 | 340211044024323 |
6 | 14412202314045 |
7 | 1453321114514 |
oct | 255476241055 |
9 | 66130821002 |
10 | 23303111213 |
11 | 9978aa93a8 |
12 | 46241b8925 |
13 | 2274b09105 |
14 | 11b0c7167b |
15 | 915c35828 |
hex | 56cf9422d |
23303111213 has 4 divisors (see below), whose sum is σ = 23307984000. Its totient is φ = 23298238428.
The previous prime is 23303111191. The next prime is 23303111239. The reversal of 23303111213 is 31211130332.
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.
It is a cyclic number.
It is not a de Polignac number, because 23303111213 - 212 = 23303107117 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23303111243) 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, 2429213 + ... + 2438786.
It is an arithmetic number, because the mean of its divisors is an integer number (5826996000).
Almost surely, 223303111213 is an apocalyptic number.
It is an amenable number.
23303111213 is a deficient number, since it is larger than the sum of its proper divisors (4872787).
23303111213 is an equidigital number, since it uses as much as digits as its factorization.
23303111213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4872786.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 23303111213 its reverse (31211130332), we get a palindrome (54514241545).
The spelling of 23303111213 in words is "twenty-three billion, three hundred three million, one hundred eleven thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •