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68131367 is a prime number
BaseRepresentation
bin1000000111110…
…01101000100111
311202012102122222
410003321220213
5114420200432
610432142555
71455051503
oct403715047
9152172588
1068131367
1135505117
121a997a5b
1311166125
149097303
155eac112
hex40f9a27

68131367 has 2 divisors, whose sum is σ = 68131368. Its totient is φ = 68131366.

The previous prime is 68131363. The next prime is 68131373. The reversal of 68131367 is 76313186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68131367 - 22 = 68131363 is a prime.

It is a super-3 number, since 3×681313673 (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68131361) 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, 34065683 + 34065684.

It is an arithmetic number, because the mean of its divisors is an integer number (34065684).

Almost surely, 268131367 is an apocalyptic number.

68131367 is a deficient number, since it is larger than the sum of its proper divisors (1).

68131367 is an equidigital number, since it uses as much as digits as its factorization.

68131367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 68131367 is about 8254.1727023367. The cubic root of 68131367 is about 408.4281816967.

The spelling of 68131367 in words is "sixty-eight million, one hundred thirty-one thousand, three hundred sixty-seven".