Search a number
-
+
68398960198 = 2257133071907
BaseRepresentation
bin111111101100111001…
…010100111001000110
320112112211201012011011
4333230321110321012
52110040113211243
651231055032434
74640663366062
oct775471247106
9215484635134
1068398960198
112700a480188
121130a80b71a
1365b083951a
14344c130aa2
151ba4ca889d
hexfece54e46

68398960198 has 8 divisors (see below), whose sum is σ = 102997656792. Its totient is φ = 34066407936.

The previous prime is 68398960183. The next prime is 68398960213. The reversal of 68398960198 is 89106989386.

It is an interprime number because it is at equal distance from previous prime (68398960183) and next prime (68398960213).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66535440 + ... + 66536467.

It is an arithmetic number, because the mean of its divisors is an integer number (12874707099).

Almost surely, 268398960198 is an apocalyptic number.

68398960198 is a deficient number, since it is larger than the sum of its proper divisors (34598696594).

68398960198 is a wasteful number, since it uses less digits than its factorization.

68398960198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133072166.

The product of its (nonzero) digits is 40310784, while the sum is 67.

The spelling of 68398960198 in words is "sixty-eight billion, three hundred ninety-eight million, nine hundred sixty thousand, one hundred ninety-eight".

Divisors: 1 2 257 514 133071907 266143814 34199480099 68398960198