Base | Representation |
---|---|
bin | 10101101101111111… |
… | …001111001010100101 |
3 | 2020012012221100200102 |
4 | 111231333033022211 |
5 | 340224423131323 |
6 | 14414011153445 |
7 | 1453615556552 |
oct | 255577171245 |
9 | 66165840612 |
10 | 23320130213 |
11 | 9987672a96 |
12 | 4629a45885 |
13 | 22784b7723 |
14 | 11b3221a29 |
15 | 917498328 |
hex | 56dfcf2a5 |
23320130213 has 4 divisors (see below), whose sum is σ = 23370066720. Its totient is φ = 23270193708.
The previous prime is 23320130189. The next prime is 23320130231. The reversal of 23320130213 is 31203102332.
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 23320130213 - 218 = 23319868069 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 (23320130243) 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, 24967553 + ... + 24968486.
It is an arithmetic number, because the mean of its divisors is an integer number (5842516680).
Almost surely, 223320130213 is an apocalyptic number.
It is an amenable number.
23320130213 is a deficient number, since it is larger than the sum of its proper divisors (49936507).
23320130213 is an equidigital number, since it uses as much as digits as its factorization.
23320130213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49936506.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 23320130213 its reverse (31203102332), we get a palindrome (54523232545).
The spelling of 23320130213 in words is "twenty-three billion, three hundred twenty million, one hundred thirty thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •