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23906241917 is a prime number
BaseRepresentation
bin10110010000111011…
…000100110101111101
32021201001210220210022
4112100323010311331
5342424444220132
614552105421525
71504263463205
oct262073046575
967631726708
1023906241917
11a1584a5428
12477219a8a5
13233ca5c99c
14122add1405
1594db70e12
hex590ec4d7d

23906241917 has 2 divisors, whose sum is σ = 23906241918. Its totient is φ = 23906241916.

The previous prime is 23906241889. The next prime is 23906241923. The reversal of 23906241917 is 71914260932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23476674841 + 429567076 = 153221^2 + 20726^2 .

It is a cyclic number.

It is not a de Polignac number, because 23906241917 - 214 = 23906225533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23906241977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11953120958 + 11953120959.

It is an arithmetic number, because the mean of its divisors is an integer number (11953120959).

Almost surely, 223906241917 is an apocalyptic number.

It is an amenable number.

23906241917 is a deficient number, since it is larger than the sum of its proper divisors (1).

23906241917 is an equidigital number, since it uses as much as digits as its factorization.

23906241917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 23906241917 in words is "twenty-three billion, nine hundred six million, two hundred forty-one thousand, nine hundred seventeen".