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18068411740242 = 23172916633673073
BaseRepresentation
bin1000001101110111000010…
…10000110111000001010010
32100222022201200101010202210
410012323201100313001102
54332013101401141432
6102232302550052550
73543254041511343
oct406734120670122
970868650333683
1018068411740242
115836852426256
12203994264a156
13a10ac8111c46
144667314a80ca
15215002d388cc
hex106ee1437052

18068411740242 has 64 divisors (see below), whose sum is σ = 39605728481280. Its totient is φ = 5469762514944.

The previous prime is 18068411740217. The next prime is 18068411740279. The reversal of 18068411740242 is 24204711486081.

It is a junction number, because it is equal to n+sod(n) for n = 18068411740191 and 18068411740200.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3082618 + ... + 6755690.

It is an arithmetic number, because the mean of its divisors is an integer number (618839507520).

Almost surely, 218068411740242 is an apocalyptic number.

18068411740242 is an abundant number, since it is smaller than the sum of its proper divisors (21537316741038).

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

18068411740242 is a wasteful number, since it uses less digits than its factorization.

18068411740242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674787.

The product of its (nonzero) digits is 688128, while the sum is 48.

The spelling of 18068411740242 in words is "eighteen trillion, sixty-eight billion, four hundred eleven million, seven hundred forty thousand, two hundred forty-two".

Divisors: 1 2 3 6 17 29 34 51 58 87 102 174 493 986 1479 1663 2958 3326 4989 9978 28271 48227 56542 84813 96454 144681 169626 289362 819859 1639718 2459577 3673073 4919154 7346146 11019219 22038438 62442241 106519117 124884482 187326723 213038234 319557351 374653446 639114702 1810824989 3621649978 5432474967 6108320399 10864949934 12216640798 18324961197 36649922394 103841446783 177141291571 207682893566 311524340349 354282583142 531423874713 623048680698 1062847749426 3011401956707 6022803913414 9034205870121 18068411740242