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68088311 is a prime number
BaseRepresentation
bin1000000111011…
…11000111110111
311202010020121022
410003233013313
5114412311221
610431211355
71454512124
oct403570767
9152106538
1068088311
1135485835
121a976b5b
131114c655
14908574b
155e9e4ab
hex40ef1f7

68088311 has 2 divisors, whose sum is σ = 68088312. Its totient is φ = 68088310.

The previous prime is 68088287. The next prime is 68088337. The reversal of 68088311 is 11388086.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68088311 - 210 = 68087287 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 (68088011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34044155 + 34044156.

It is an arithmetic number, because the mean of its divisors is an integer number (34044156).

Almost surely, 268088311 is an apocalyptic number.

68088311 is a deficient number, since it is larger than the sum of its proper divisors (1).

68088311 is an equidigital number, since it uses as much as digits as its factorization.

68088311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 68088311 is about 8251.5641547527. The cubic root of 68088311 is about 408.3421274056.

The spelling of 68088311 in words is "sixty-eight million, eighty-eight thousand, three hundred eleven".