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23001264331 = 25789499083
BaseRepresentation
bin10101011010111110…
…110111000011001011
32012100222221021220221
4111122332313003023
5334101310424311
614322220530511
71442664343453
oct253276670313
965328837827
1023001264331
119833683371
12455b0b0a37
1322274127a6
141182b3ad63
158e94ae671
hex55afb70cb

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".

Divisors: 1 257 89499083 23001264331