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68034779 is a prime number
BaseRepresentation
bin1000000111000…
…10000011011011
311202000112011122
410003202003123
5114404103104
610430115455
71454200061
oct403420333
9152015148
1068034779
113544959a
121a94bb8b
1311131187
149070031
155e8d6be
hex40e20db

68034779 has 2 divisors, whose sum is σ = 68034780. Its totient is φ = 68034778.

The previous prime is 68034767. The next prime is 68034787. The reversal of 68034779 is 97743086.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68034779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68034179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34017389 + 34017390.

It is an arithmetic number, because the mean of its divisors is an integer number (34017390).

Almost surely, 268034779 is an apocalyptic number.

68034779 is a deficient number, since it is larger than the sum of its proper divisors (1).

68034779 is an equidigital number, since it uses as much as digits as its factorization.

68034779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 68034779 is about 8248.3197682922. The cubic root of 68034779 is about 408.2350845487.

The spelling of 68034779 in words is "sixty-eight million, thirty-four thousand, seven hundred seventy-nine".