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68004311 is a prime number
BaseRepresentation
bin1000000110110…
…10100111010111
311201221222101012
410003122213113
5114402114221
610425322435
71454012204
oct403324727
9151858335
1068004311
1135428711
121a93641b
131112034b
149062cab
155e8465b
hex40da9d7

68004311 has 2 divisors, whose sum is σ = 68004312. Its totient is φ = 68004310.

The previous prime is 68004289. The next prime is 68004319. The reversal of 68004311 is 11340086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68004311 - 218 = 67742167 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 (68004319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34002155 + 34002156.

It is an arithmetic number, because the mean of its divisors is an integer number (34002156).

Almost surely, 268004311 is an apocalyptic number.

68004311 is a deficient number, since it is larger than the sum of its proper divisors (1).

68004311 is an equidigital number, since it uses as much as digits as its factorization.

68004311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 68004311 is about 8246.4726398625. The cubic root of 68004311 is about 408.1741355071.

Adding to 68004311 its reverse (11340086), we get a palindrome (79344397).

It can be divided in two parts, 6800 and 4311, that added together give a palindrome (11111).

The spelling of 68004311 in words is "sixty-eight million, four thousand, three hundred eleven".