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68039711 is a prime number
BaseRepresentation
bin1000000111000…
…11010000011111
311202000202221022
410003203100133
5114404232321
610430154355
71454220335
oct403432037
9152022838
1068039711
1135452273
121a9529bb
13111334ac
149071b55
155e8edab
hex40e341f

68039711 has 2 divisors, whose sum is σ = 68039712. Its totient is φ = 68039710.

The previous prime is 68039701. The next prime is 68039731. The reversal of 68039711 is 11793086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68039711 - 226 = 930847 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68039701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34019855 + 34019856.

It is an arithmetic number, because the mean of its divisors is an integer number (34019856).

Almost surely, 268039711 is an apocalyptic number.

68039711 is a deficient number, since it is larger than the sum of its proper divisors (1).

68039711 is an equidigital number, since it uses as much as digits as its factorization.

68039711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 68039711 is about 8248.6187328546. The cubic root of 68039711 is about 408.2449489486.

The spelling of 68039711 in words is "sixty-eight million, thirty-nine thousand, seven hundred eleven".