Search a number
-
+
68390832335 = 5719143323627
BaseRepresentation
bin111111101100011010…
…010100100011001111
320112112021102020211012
4333230122110203033
52110031023113320
651230204515435
74640534324510
oct775432244317
9215467366735
1068390832335
1127005929641
1211307b4bb7b
1365abc51b37
14344b016a07
151ba42004c5
hexfec6948cf

68390832335 has 32 divisors (see below), whose sum is σ = 94505951232. Its totient is φ = 46541329920.

The previous prime is 68390832317. The next prime is 68390832337. The reversal of 68390832335 is 53323809386.

It is a happy number.

It is not a de Polignac number, because 68390832335 - 26 = 68390832271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68390832337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2882792 + ... + 2906418.

It is an arithmetic number, because the mean of its divisors is an integer number (2953310976).

Almost surely, 268390832335 is an apocalyptic number.

68390832335 is a deficient number, since it is larger than the sum of its proper divisors (26115118897).

68390832335 is a wasteful number, since it uses less digits than its factorization.

68390832335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24263.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 68390832335 in words is "sixty-eight billion, three hundred ninety million, eight hundred thirty-two thousand, three hundred thirty-five".

Divisors: 1 5 7 35 191 433 955 1337 2165 3031 6685 15155 23627 82703 118135 165389 413515 578921 826945 2894605 4512757 10230491 22563785 31589299 51152455 71613437 157946495 358067185 1954023781 9770118905 13678166467 68390832335