Search a number
-
+
6868118684 = 2271737571873
BaseRepresentation
bin1100110010101111…
…10010110010011100
3122201122120120122002
412121113302302130
5103031214244214
63053303341432
7332125021430
oct63127626234
918648516562
106868118684
112a04968249
1213b8151878
13855bac06b
1449222a9c0
152a2e681de
hex1995f2c9c

6868118684 has 48 divisors (see below), whose sum is σ = 13841274048. Its totient is φ = 2921038848.

The previous prime is 6868118681. The next prime is 6868118701. The reversal of 6868118684 is 4868118686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868118681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3665972 + ... + 3667844.

It is an arithmetic number, because the mean of its divisors is an integer number (288359876).

Almost surely, 26868118684 is an apocalyptic number.

It is an amenable number.

6868118684 is an abundant number, since it is smaller than the sum of its proper divisors (6973155364).

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

6868118684 is a wasteful number, since it uses less digits than its factorization.

6868118684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814 (or 2812 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 56.

The square root of 6868118684 is about 82874.1134733881. The cubic root of 6868118684 is about 1900.8416108996.

The spelling of 6868118684 in words is "six billion, eight hundred sixty-eight million, one hundred eighteen thousand, six hundred eighty-four".

Divisors: 1 2 4 7 14 28 173 346 692 757 1211 1514 1873 2422 3028 3746 4844 5299 7492 10598 13111 21196 26222 52444 130961 261922 324029 523844 648058 916727 1296116 1417861 1833454 2268203 2835722 3666908 4536406 5671444 9072812 9925027 19850054 39700108 245289953 490579906 981159812 1717029671 3434059342 6868118684