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117271383870 = 2353909046129
BaseRepresentation
bin110110100110111101…
…0110100111100111110
3102012200211210112211210
41231031322310330332
53410132433240440
6125512420425250
711321044213224
oct1551572647476
9365624715753
10117271383870
1145809703473
121a889b48226
13b09bac1804
145966bc4b14
1530b566ba80
hex1b4deb4f3e

117271383870 has 16 divisors (see below), whose sum is σ = 281451321360. Its totient is φ = 31272369024.

The previous prime is 117271383763. The next prime is 117271383871. The reversal of 117271383870 is 78383172711.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117271383871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954523035 + ... + 1954523094.

It is an arithmetic number, because the mean of its divisors is an integer number (17590707585).

Almost surely, 2117271383870 is an apocalyptic number.

117271383870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117271383870 is an abundant number, since it is smaller than the sum of its proper divisors (164179937490).

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

117271383870 is a wasteful number, since it uses less digits than its factorization.

117271383870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909046139.

The product of its (nonzero) digits is 395136, while the sum is 48.

The spelling of 117271383870 in words is "one hundred seventeen billion, two hundred seventy-one million, three hundred eighty-three thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 3909046129 7818092258 11727138387 19545230645 23454276774 39090461290 58635691935 117271383870