Base | Representation |
---|---|
bin | 1000101001001000… |
… | …1001011110101111 |
3 | 12222200111212211222 |
4 | 2022102021132233 |
5 | 14222410410411 |
6 | 1022113533555 |
7 | 111330533654 |
oct | 21222113657 |
9 | 5880455758 |
10 | 2320013231 |
11 | a90650308 |
12 | 548b742bb |
13 | 2ac8615c3 |
14 | 18019bc2b |
15 | d8a264db |
hex | 8a4897af |
2320013231 has 4 divisors (see below), whose sum is σ = 2322247200. Its totient is φ = 2317779264.
The previous prime is 2320013207. The next prime is 2320013237. The reversal of 2320013231 is 1323100232.
2320013231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2320013231 is a prime.
It is a super-2 number, since 2×23200132312 = 10764922784030118722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2320013237) 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, 1115426 + ... + 1117503.
It is an arithmetic number, because the mean of its divisors is an integer number (580561800).
Almost surely, 22320013231 is an apocalyptic number.
2320013231 is a deficient number, since it is larger than the sum of its proper divisors (2233969).
2320013231 is a wasteful number, since it uses less digits than its factorization.
2320013231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2233968.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 2320013231 is about 48166.5156618164. The cubic root of 2320013231 is about 1323.8237061922.
Adding to 2320013231 its reverse (1323100232), we get a palindrome (3643113463).
The spelling of 2320013231 in words is "two billion, three hundred twenty million, thirteen thousand, two hundred thirty-one".
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