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68593871 is a prime number
BaseRepresentation
bin1000001011010…
…10100011001111
311210001221002202
410011222203033
5120030000441
610450112115
71462016063
oct405524317
9153057082
1068593871
11357a0655
121ab7b63b
13112987b8
149177aa3
15604e19b
hex416a8cf

68593871 has 2 divisors, whose sum is σ = 68593872. Its totient is φ = 68593870.

The previous prime is 68593817. The next prime is 68593879. The reversal of 68593871 is 17839586.

It is a happy number.

Together with previous prime (68593817) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68593871 - 26 = 68593807 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68593879) 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, 34296935 + 34296936.

It is an arithmetic number, because the mean of its divisors is an integer number (34296936).

Almost surely, 268593871 is an apocalyptic number.

68593871 is a deficient number, since it is larger than the sum of its proper divisors (1).

68593871 is an equidigital number, since it uses as much as digits as its factorization.

68593871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 47.

The square root of 68593871 is about 8282.1416916158. The cubic root of 68593871 is about 409.3502916230.

The spelling of 68593871 in words is "sixty-eight million, five hundred ninety-three thousand, eight hundred seventy-one".