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68670023 is a prime number
BaseRepresentation
bin1000001011111…
…01001001000111
311210012210120012
410011331021013
5120034420043
610451500435
71462454102
oct405751107
9153183505
1068670023
1135842894
121abb771b
13112c4366
149197739
156066a18
hex417d247

68670023 has 2 divisors, whose sum is σ = 68670024. Its totient is φ = 68670022.

The previous prime is 68669989. The next prime is 68670029. The reversal of 68670023 is 32007686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68670023 - 226 = 1561159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68670029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34335011 + 34335012.

It is an arithmetic number, because the mean of its divisors is an integer number (34335012).

Almost surely, 268670023 is an apocalyptic number.

68670023 is a deficient number, since it is larger than the sum of its proper divisors (1).

68670023 is an equidigital number, since it uses as much as digits as its factorization.

68670023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 68670023 is about 8286.7377779196. The cubic root of 68670023 is about 409.5017206752.

The spelling of 68670023 in words is "sixty-eight million, six hundred seventy thousand, twenty-three".