Base | Representation |
---|---|
bin | 10101101101011101… |
… | …101000010011111001 |
3 | 2020011121100202202211 |
4 | 111231131220103321 |
5 | 340220144222223 |
6 | 14413054255121 |
7 | 1453450644661 |
oct | 255535502371 |
9 | 66147322684 |
10 | 23311320313 |
11 | 99826a5a86 |
12 | 4626ab74a1 |
13 | 2276721778 |
14 | 11b1dab1a1 |
15 | 916807d0d |
hex | 56d7684f9 |
23311320313 has 4 divisors (see below), whose sum is σ = 23315139828. Its totient is φ = 23307500800.
The previous prime is 23311320269. The next prime is 23311320317. The reversal of 23311320313 is 31302311332.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 15894149184 + 7417171129 = 126072^2 + 86123^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23311320313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23311320317) 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, 1900588 + ... + 1912813.
It is an arithmetic number, because the mean of its divisors is an integer number (5828784957).
Almost surely, 223311320313 is an apocalyptic number.
It is an amenable number.
23311320313 is a deficient number, since it is larger than the sum of its proper divisors (3819515).
23311320313 is an equidigital number, since it uses as much as digits as its factorization.
23311320313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3819514.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 23311320313 its reverse (31302311332), we get a palindrome (54613631645).
The spelling of 23311320313 in words is "twenty-three billion, three hundred eleven million, three hundred twenty thousand, three hundred thirteen".
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