Search a number
-
+
6968587986 = 2322543152239
BaseRepresentation
bin1100111110101110…
…00011011011010010
3122222122121221121100
412133113003123102
5103232424303421
63111253005230
7334455010023
oct63727033322
918878557540
106968587986
112a5664a328
121425923816
13870958359
144a1700c4a
152abbb1c26
hex19f5c36d2

6968587986 has 24 divisors (see below), whose sum is σ = 15104643840. Its totient is φ = 2321933976.

The previous prime is 6968587979. The next prime is 6968588069. The reversal of 6968587986 is 6897858696.

It is a happy number.

It is a super-2 number, since 2×69685879862 = 97122437037247072392, which contains 22 as substring.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 30346 + ... + 121893.

It is an arithmetic number, because the mean of its divisors is an integer number (629360160).

Almost surely, 26968587986 is an apocalyptic number.

6968587986 is an abundant number, since it is smaller than the sum of its proper divisors (8136055854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6968587986 is a wasteful number, since it uses less digits than its factorization.

6968587986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154790 (or 154787 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 72.

The square root of 6968587986 is about 83478.0688923744. The cubic root of 6968587986 is about 1910.0655100289.

The spelling of 6968587986 in words is "six billion, nine hundred sixty-eight million, five hundred eighty-seven thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 9 18 2543 5086 7629 15258 22887 45774 152239 304478 456717 913434 1370151 2740302 387143777 774287554 1161431331 2322862662 3484293993 6968587986