Search a number
-
+
968809680986 = 2769200691499
BaseRepresentation
bin11100001100100011000…
…11101001000001011010
310102121200000100001101112
432012101203221001122
5111333110234242421
62021022013420322
7126665002262240
oct16062143510132
93377600301345
10968809680986
11343962898644
1213791849a6a2
137048741b884
1434c67cac790
151a3033b545b
hexe1918e905a

968809680986 has 8 divisors (see below), whose sum is σ = 1660816596000. Its totient is φ = 415204148988.

The previous prime is 968809680941. The next prime is 968809681067. The reversal of 968809680986 is 689086908869.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34600345736 + ... + 34600345763.

It is an arithmetic number, because the mean of its divisors is an integer number (207602074500).

Almost surely, 2968809680986 is an apocalyptic number.

968809680986 is a deficient number, since it is larger than the sum of its proper divisors (692006915014).

968809680986 is a wasteful number, since it uses less digits than its factorization.

968809680986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69200691508.

The product of its (nonzero) digits is 644972544, while the sum is 77.

The spelling of 968809680986 in words is "nine hundred sixty-eight billion, eight hundred nine million, six hundred eighty thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 69200691499 138401382998 484404840493 968809680986