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68009099 is a prime number
BaseRepresentation
bin1000000110110…
…11110010001011
311201222012221112
410003123302023
5114402242344
610425400535
71454032154
oct403336213
9151865845
1068009099
1135431274
121a93914b
1311122592
14906492b
155e85c9e
hex40dbc8b

68009099 has 2 divisors, whose sum is σ = 68009100. Its totient is φ = 68009098.

The previous prime is 68009077. The next prime is 68009111. The reversal of 68009099 is 99090086.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68009099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68009399) 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, 34004549 + 34004550.

It is an arithmetic number, because the mean of its divisors is an integer number (34004550).

Almost surely, 268009099 is an apocalyptic number.

68009099 is a deficient number, since it is larger than the sum of its proper divisors (1).

68009099 is an equidigital number, since it uses as much as digits as its factorization.

68009099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 68009099 is about 8246.7629406938. The cubic root of 68009099 is about 408.1837147620.

The spelling of 68009099 in words is "sixty-eight million, nine thousand, ninety-nine".