Search a number
-
+
117867086897 = 7219112593983
BaseRepresentation
bin110110111000101101…
…1010000010000110001
3102021020100201101202212
41231301123100100301
53412342433240042
6130051500421505
711341566464600
oct1556133202061
9367210641685
10117867086897
1145a94996a1a
121aa15547895
13b165344601
1459c1d6da37
1530ecadb482
hex1b716d0431

117867086897 has 12 divisors (see below), whose sum is σ = 137828560896. Its totient is φ = 100499976360.

The previous prime is 117867086851. The next prime is 117867086921. The reversal of 117867086897 is 798680768711.

It is not a de Polignac number, because 117867086897 - 210 = 117867085873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117867086807) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6287633 + ... + 6306350.

It is an arithmetic number, because the mean of its divisors is an integer number (11485713408).

Almost surely, 2117867086897 is an apocalyptic number.

It is an amenable number.

117867086897 is a deficient number, since it is larger than the sum of its proper divisors (19961473999).

117867086897 is a wasteful number, since it uses less digits than its factorization.

117867086897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12594188 (or 12594181 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 68.

The spelling of 117867086897 in words is "one hundred seventeen billion, eight hundred sixty-seven million, eighty-six thousand, eight hundred ninety-seven".

Divisors: 1 7 49 191 1337 9359 12593983 88157881 617105167 2405450753 16838155271 117867086897