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68350679 is a prime number
BaseRepresentation
bin1000001001011…
…11001011010111
311202121120111122
410010233023113
5114444210204
610440554155
71456654055
oct404571327
9152546448
1068350679
1135644971
121aa8295b
1311211bb7
1491131d5
1560020be
hex412f2d7

68350679 has 2 divisors, whose sum is σ = 68350680. Its totient is φ = 68350678.

The previous prime is 68350663. The next prime is 68350699. The reversal of 68350679 is 97605386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68350679 - 24 = 68350663 is a prime.

It is a super-2 number, since 2×683506792 = 9343630639522082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68350699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34175339 + 34175340.

It is an arithmetic number, because the mean of its divisors is an integer number (34175340).

Almost surely, 268350679 is an apocalyptic number.

68350679 is a deficient number, since it is larger than the sum of its proper divisors (1).

68350679 is an equidigital number, since it uses as much as digits as its factorization.

68350679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 68350679 is about 8267.4469457022. The cubic root of 68350679 is about 408.8659500162.

The spelling of 68350679 in words is "sixty-eight million, three hundred fifty thousand, six hundred seventy-nine".