Search a number
-
+
18209112560082 = 2328972734694507
BaseRepresentation
bin1000010001111101000111…
…01011111001000111010010
32101110202220100210100121100
410020332203223321013102
54341314230303410312
6102421052325005230
73556364532655233
oct410764353710722
971422810710540
1018209112560082
115890494369744
12206106ab53816
13a2115bc3c522
1446d47bc0508a
152189da3405dc
hex108fa3af91d2

18209112560082 has 96 divisors (see below), whose sum is σ = 39971631772800. Its totient is φ = 5990193057024.

The previous prime is 18209112560039. The next prime is 18209112560087. The reversal of 18209112560082 is 28006521190281.

18209112560082 is a `hidden beast` number, since 1 + 8 + 2 + 0 + 9 + 1 + 1 + 2 + 560 + 0 + 82 = 666.

It is not an unprimeable number, because it can be changed into a prime (18209112560087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4040182473 + ... + 4040186979.

It is an arithmetic number, because the mean of its divisors is an integer number (416371164300).

Almost surely, 218209112560082 is an apocalyptic number.

18209112560082 is an abundant number, since it is smaller than the sum of its proper divisors (21762519212718).

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

18209112560082 is a wasteful number, since it uses less digits than its factorization.

18209112560082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8800 (or 8797 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 18209112560082 in words is "eighteen trillion, two hundred nine billion, one hundred twelve million, five hundred sixty thousand, eighty-two".

Divisors: 1 2 3 6 9 18 89 178 267 534 727 801 1454 1602 2181 3469 4362 4507 6543 6938 9014 10407 13086 13521 20814 27042 31221 40563 62442 64703 81126 129406 194109 308741 388218 401123 582327 617482 802246 926223 1164654 1203369 1852446 2406738 2521963 2778669 3276589 3610107 5043926 5557338 6553178 7220214 7565889 9829767 15131778 15634783 19659534 22697667 29489301 31269566 45395334 46904349 58978602 93808698 140713047 224454707 281426094 291616421 448909414 583232842 673364121 874849263 1346728242 1391495687 1749698526 2020092363 2624547789 2782991374 4040184726 4174487061 5249095578 8348974122 11366487241 12523461183 22732974482 25046922366 34099461723 68198923446 102298385169 204596770338 1011617364449 2023234728898 3034852093347 6069704186694 9104556280041 18209112560082