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68213359 is a prime number
BaseRepresentation
bin1000001000011…
…01101001101111
311202100121010201
410010031221233
5114430311414
610434014331
71455542524
oct404155157
9152317121
1068213359
1135560785
121aa173a7
1311194546
1490b914b
155ec6574
hex410da6f

68213359 has 2 divisors, whose sum is σ = 68213360. Its totient is φ = 68213358.

The previous prime is 68213293. The next prime is 68213393. The reversal of 68213359 is 95331286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68213359 - 225 = 34658927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68213659) 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, 34106679 + 34106680.

It is an arithmetic number, because the mean of its divisors is an integer number (34106680).

Almost surely, 268213359 is an apocalyptic number.

68213359 is a deficient number, since it is larger than the sum of its proper divisors (1).

68213359 is an equidigital number, since it uses as much as digits as its factorization.

68213359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 68213359 is about 8259.1379090072. The cubic root of 68213359 is about 408.5919555960.

It can be divided in two parts, 682 and 13359, that added together give a palindrome (14041).

The spelling of 68213359 in words is "sixty-eight million, two hundred thirteen thousand, three hundred fifty-nine".