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68135341 is a prime number
BaseRepresentation
bin1000000111110…
…10100110101101
311202012122010011
410003322212231
5114420312331
610432213221
71455066211
oct403724655
9152178104
1068135341
11355080aa
121a99a211
1311167b91
149098941
155ead3b1
hex40fa9ad

68135341 has 2 divisors, whose sum is σ = 68135342. Its totient is φ = 68135340.

The previous prime is 68135323. The next prime is 68135351. The reversal of 68135341 is 14353186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63202500 + 4932841 = 7950^2 + 2221^2 .

It is a cyclic number.

It is not a de Polignac number, because 68135341 - 211 = 68133293 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 (68135351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34067670 + 34067671.

It is an arithmetic number, because the mean of its divisors is an integer number (34067671).

Almost surely, 268135341 is an apocalyptic number.

It is an amenable number.

68135341 is a deficient number, since it is larger than the sum of its proper divisors (1).

68135341 is an equidigital number, since it uses as much as digits as its factorization.

68135341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 68135341 is about 8254.4134255561. The cubic root of 68135341 is about 408.4361225425.

The spelling of 68135341 in words is "sixty-eight million, one hundred thirty-five thousand, three hundred forty-one".