Search a number
-
+
117765930869 = 227518792647
BaseRepresentation
bin110110110101101100…
…1010111111101110101
3102020222022101010210022
41231223121113331311
53412141034241434
6130033444334525
711336230616216
oct1555331277565
9366868333708
10117765930869
1145a428859a4
121a9a76a4445
13b14a3b7882
1459b275b40d
1530e3ca922e
hex1b6b657f75

117765930869 has 4 divisors (see below), whose sum is σ = 118284723744. Its totient is φ = 117247137996.

The previous prime is 117765930847. The next prime is 117765930899. The reversal of 117765930869 is 968039567711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117765930869 - 220 = 117764882293 is a prime.

It is a super-2 number, since 2×1177659308692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117765930809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259396097 + ... + 259396550.

It is an arithmetic number, because the mean of its divisors is an integer number (29571180936).

Almost surely, 2117765930869 is an apocalyptic number.

It is an amenable number.

117765930869 is a deficient number, since it is larger than the sum of its proper divisors (518792875).

117765930869 is an equidigital number, since it uses as much as digits as its factorization.

117765930869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518792874.

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 117765930869 in words is "one hundred seventeen billion, seven hundred sixty-five million, nine hundred thirty thousand, eight hundred sixty-nine".

Divisors: 1 227 518792647 117765930869