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23261464489 is a prime number
BaseRepresentation
bin10101101010011111…
…011100011110101001
32020001010112211102211
4111222133130132221
5340114413330424
614404113525121
71452304120504
oct255237343651
966033484384
1023261464489
11995754361a
1246122737a1
1322692b6b93
1411a951013b
1591225ab94
hex56a7dc7a9

23261464489 has 2 divisors, whose sum is σ = 23261464490. Its totient is φ = 23261464488.

The previous prime is 23261464477. The next prime is 23261464579. The reversal of 23261464489 is 98446416232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21513555625 + 1747908864 = 146675^2 + 41808^2 .

It is a cyclic number.

It is not a de Polignac number, because 23261464489 - 221 = 23259367337 is a prime.

It is a super-2 number, since 2×232614644892 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23261464409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11630732244 + 11630732245.

It is an arithmetic number, because the mean of its divisors is an integer number (11630732245).

Almost surely, 223261464489 is an apocalyptic number.

It is an amenable number.

23261464489 is a deficient number, since it is larger than the sum of its proper divisors (1).

23261464489 is an equidigital number, since it uses as much as digits as its factorization.

23261464489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 49.

The spelling of 23261464489 in words is "twenty-three billion, two hundred sixty-one million, four hundred sixty-four thousand, four hundred eighty-nine".