Search a number
-
+
68028637283 is a prime number
BaseRepresentation
bin111111010110110100…
…101010000001100011
320111121000212211121122
4333112310222001203
52103310312343113
651130225442455
74625545606325
oct772664520143
9214530784548
1068028637283
112693a435092
12112267a042b
136551bb8c39
143414c93615
151b82508408
hexfd6d2a063

68028637283 has 2 divisors, whose sum is σ = 68028637284. Its totient is φ = 68028637282.

The previous prime is 68028637277. The next prime is 68028637373. The reversal of 68028637283 is 38273682086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68028637283 - 212 = 68028633187 is a prime.

It is not a weakly prime, because it can be changed into another prime (68028637253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34014318641 + 34014318642.

It is an arithmetic number, because the mean of its divisors is an integer number (34014318642).

Almost surely, 268028637283 is an apocalyptic number.

68028637283 is a deficient number, since it is larger than the sum of its proper divisors (1).

68028637283 is an equidigital number, since it uses as much as digits as its factorization.

68028637283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 68028637283 in words is "sixty-eight billion, twenty-eight million, six hundred thirty-seven thousand, two hundred eighty-three".