Search a number
-
+
117840971008 = 281727077429
BaseRepresentation
bin110110110111111011…
…1101000010100000000
3102021011112120120111201
41231233313220110000
53412314242033013
6130045124550544
711341131504145
oct1555767502400
9367145516451
10117840971008
1145a81179742
121aa08852454
13b15cacc517
1459bc6d23cc
1530ea67d3dd
hex1b6fde8500

117840971008 has 36 divisors (see below), whose sum is σ = 249058201140. Its totient is φ = 55454572544.

The previous prime is 117840970939. The next prime is 117840971081. The reversal of 117840971008 is 800179048711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41956148224 + 75884822784 = 204832^2 + 275472^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 13534363 + ... + 13543066.

It is an arithmetic number, because the mean of its divisors is an integer number (6918283365).

Almost surely, 2117840971008 is an apocalyptic number.

It is an amenable number.

117840971008 is an abundant number, since it is smaller than the sum of its proper divisors (131217230132).

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

117840971008 is an equidigital number, since it uses as much as digits as its factorization.

117840971008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27077462 (or 27077448 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 46.

The spelling of 117840971008 in words is "one hundred seventeen billion, eight hundred forty million, nine hundred seventy-one thousand, eight".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 256 272 544 1088 2176 4352 27077429 54154858 108309716 216619432 433238864 460316293 866477728 920632586 1732955456 1841265172 3465910912 3682530344 6931821824 7365060688 14730121376 29460242752 58920485504 117840971008