Search a number
-
+
68078152283243 is a prime number
BaseRepresentation
bin11110111101010101011100…
…00101010111010001101011
322221001012121111002020221112
433132222232011113101223
532410343023441030433
6400442401005100535
720224325035414154
oct1736525605272153
9287035544066845
1068078152283243
111a767867196483
12777600355774b
132bca98584b31b
1412b50005b692b
157d0d07ba5348
hex3deaae15746b

68078152283243 has 2 divisors, whose sum is σ = 68078152283244. Its totient is φ = 68078152283242.

The previous prime is 68078152283237. The next prime is 68078152283299. The reversal of 68078152283243 is 34238225187086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68078152283243 - 210 = 68078152282219 is a prime.

It is not a weakly prime, because it can be changed into another prime (68078152283213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34039076141621 + 34039076141622.

It is an arithmetic number, because the mean of its divisors is an integer number (34039076141622).

Almost surely, 268078152283243 is an apocalyptic number.

68078152283243 is a deficient number, since it is larger than the sum of its proper divisors (1).

68078152283243 is an equidigital number, since it uses as much as digits as its factorization.

68078152283243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30965760, while the sum is 59.

The spelling of 68078152283243 in words is "sixty-eight trillion, seventy-eight billion, one hundred fifty-two million, two hundred eighty-three thousand, two hundred forty-three".