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68004719 is a prime number
BaseRepresentation
bin1000000110110…
…10101101101111
311201221222221022
410003122231233
5114402122334
610425324355
71454013326
oct403325557
9151858838
1068004719
1135428a52
121a9366bb
13111205a3
1490630bd
155e8482e
hex40dab6f

68004719 has 2 divisors, whose sum is σ = 68004720. Its totient is φ = 68004718.

The previous prime is 68004689. The next prime is 68004737. The reversal of 68004719 is 91740086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68004719 - 28 = 68004463 is a prime.

It is a super-2 number, since 2×680047192 = 9249283612537922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68004749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34002359 + 34002360.

It is an arithmetic number, because the mean of its divisors is an integer number (34002360).

Almost surely, 268004719 is an apocalyptic number.

68004719 is a deficient number, since it is larger than the sum of its proper divisors (1).

68004719 is an equidigital number, since it uses as much as digits as its factorization.

68004719 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 35.

The square root of 68004719 is about 8246.4973776750. The cubic root of 68004719 is about 408.1749518020.

The spelling of 68004719 in words is "sixty-eight million, four thousand, seven hundred nineteen".