Search a number
-
+
68258015051 is a prime number
BaseRepresentation
bin111111100100011111…
…101010011101001011
320112012000111102202112
4333210133222131023
52104243022440201
651205102052535
74634332361222
oct774437523513
9215160442675
1068258015051
1126a47962a96
121128b57a14b
13658a58ac25
143437521cb9
151b977170bb
hexfe47ea74b

68258015051 has 2 divisors, whose sum is σ = 68258015052. Its totient is φ = 68258015050.

The previous prime is 68258014997. The next prime is 68258015087. The reversal of 68258015051 is 15051085286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68258015051 - 230 = 67184273227 is a prime.

It is not a weakly prime, because it can be changed into another prime (68258515051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34129007525 + 34129007526.

It is an arithmetic number, because the mean of its divisors is an integer number (34129007526).

Almost surely, 268258015051 is an apocalyptic number.

68258015051 is a deficient number, since it is larger than the sum of its proper divisors (1).

68258015051 is an equidigital number, since it uses as much as digits as its factorization.

68258015051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96000, while the sum is 41.

The spelling of 68258015051 in words is "sixty-eight billion, two hundred fifty-eight million, fifteen thousand, fifty-one".