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18434291059180 = 22519433112035317
BaseRepresentation
bin1000011000100000100010…
…10111101100100111101100
32102021022010102212022122101
410030100101113230213230
54404011412002343210
6103112332453424444
73611555626431163
oct414202127544754
972238112768571
1018434291059180
115967a367a3987
12209883293b124
13a39466761879
1447a31dc563da
1521e7b8e95a3a
hex10c4115ec9ec

18434291059180 has 48 divisors (see below), whose sum is σ = 40843595530080. Its totient is φ = 6969492937728.

The previous prime is 18434291059169. The next prime is 18434291059189. The reversal of 18434291059180 is 8195019243481.

It is not an unprimeable number, because it can be changed into a prime (18434291059189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55853119 + ... + 56182198.

It is an arithmetic number, because the mean of its divisors is an integer number (850908240210).

Almost surely, 218434291059180 is an apocalyptic number.

18434291059180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18434291059180 is an abundant number, since it is smaller than the sum of its proper divisors (22409304470900).

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

18434291059180 is a wasteful number, since it uses less digits than its factorization.

18434291059180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112035778 (or 112035776 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 18434291059180 in words is "eighteen trillion, four hundred thirty-four billion, two hundred ninety-one million, fifty-nine thousand, one hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 433 866 1732 2165 4330 8227 8660 16454 32908 41135 82270 164540 112035317 224070634 448141268 560176585 1120353170 2128671023 2240706340 4257342046 8514684092 10643355115 21286710230 42573420460 48511292261 97022584522 194045169044 242556461305 485112922610 921714552959 970225845220 1843429105918 3686858211836 4608572764795 9217145529590 18434291059180