Search a number
-
+
117160512021 = 337619896889
BaseRepresentation
bin110110100011101001…
…1111000101000010101
3102012102010011200021000
41231013103320220111
53404421042341041
6125453420213513
711315226630540
oct1550723705025
9365363150230
10117160512021
1145762066843
121a85899a299
13b081b42677
1459561a3857
1530aaa6abb6
hex1b474f8a15

117160512021 has 16 divisors (see below), whose sum is σ = 198367004800. Its totient is φ = 66948863904.

The previous prime is 117160512019. The next prime is 117160512023. The reversal of 117160512021 is 120215061711.

117160512021 is a `hidden beast` number, since 1 + 1 + 71 + 60 + 512 + 0 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (117160512019) and next prime (117160512023).

It is not a de Polignac number, because 117160512021 - 21 = 117160512019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117160512023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 309948256 + ... + 309948633.

It is an arithmetic number, because the mean of its divisors is an integer number (12397937800).

Almost surely, 2117160512021 is an apocalyptic number.

It is an amenable number.

117160512021 is a deficient number, since it is larger than the sum of its proper divisors (81206492779).

117160512021 is an equidigital number, since it uses as much as digits as its factorization.

117160512021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619896905 (or 619896899 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 27.

Adding to 117160512021 its reverse (120215061711), we get a palindrome (237375573732).

The spelling of 117160512021 in words is "one hundred seventeen billion, one hundred sixty million, five hundred twelve thousand, twenty-one".

Divisors: 1 3 7 9 21 27 63 189 619896889 1859690667 4339278223 5579072001 13017834669 16737216003 39053504007 117160512021