Base | Representation |
---|---|
bin | 10101011010111110… |
… | …110111000011001011 |
3 | 2012100222221021220221 |
4 | 111122332313003023 |
5 | 334101310424311 |
6 | 14322220530511 |
7 | 1442664343453 |
oct | 253276670313 |
9 | 65328837827 |
10 | 23001264331 |
11 | 9833683371 |
12 | 455b0b0a37 |
13 | 22274127a6 |
14 | 1182b3ad63 |
15 | 8e94ae671 |
hex | 55afb70cb |
23001264331 has 4 divisors (see below), whose sum is σ = 23090763672. Its totient is φ = 22911764992.
The previous prime is 23001264281. The next prime is 23001264343. The reversal of 23001264331 is 13346210032.
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 23001264331 - 211 = 23001262283 is a prime.
It is a super-2 number, since 2×230012643312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23001264296 and 23001264305.
It is not an unprimeable number, because it can be changed into a prime (23001264631) 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, 44749285 + ... + 44749798.
It is an arithmetic number, because the mean of its divisors is an integer number (5772690918).
Almost surely, 223001264331 is an apocalyptic number.
23001264331 is a deficient number, since it is larger than the sum of its proper divisors (89499341).
23001264331 is an equidigital number, since it uses as much as digits as its factorization.
23001264331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89499340.
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 23001264331 its reverse (13346210032), we get a palindrome (36347474363).
The spelling of 23001264331 in words is "twenty-three billion, one million, two hundred sixty-four thousand, three hundred thirty-one".
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