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142865113218 = 231071572515647
BaseRepresentation
bin1000010100001101101…
…1001010000010000010
3111122202111220201012120
42011003123022002002
54320041432110333
6145344211105110
713215221266032
oct2050333120202
9448674821176
10142865113218
11556526a5103
12238312a2196
131061a339669
146cb3d618c2
153ab251ddb3
hex21436ca082

142865113218 has 64 divisors (see below), whose sum is σ = 291445475328. Its totient is φ = 46681128000.

The previous prime is 142865113207. The next prime is 142865113229. The reversal of 142865113218 is 812311568241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142865113207) and next prime (142865113229).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142865113218.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25296471 + ... + 25302117.

It is an arithmetic number, because the mean of its divisors is an integer number (4553835552).

Almost surely, 2142865113218 is an apocalyptic number.

142865113218 is an abundant number, since it is smaller than the sum of its proper divisors (148580362110).

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

142865113218 is a wasteful number, since it uses less digits than its factorization.

142865113218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167.

The product of its digits is 92160, while the sum is 42.

The spelling of 142865113218 in words is "one hundred forty-two billion, eight hundred sixty-five million, one hundred thirteen thousand, two hundred eighteen".

Divisors: 1 2 3 6 107 157 214 251 314 321 471 502 642 753 942 1506 5647 11294 16799 16941 26857 33598 33882 39407 50397 53714 78814 80571 100794 118221 161142 236442 604229 886579 1208458 1417397 1773158 1812687 2659737 2834794 3625374 4216549 4252191 5319474 8433098 8504382 12649647 25299294 94863953 151661479 189727906 222531329 284591859 303322958 445062658 454984437 569183718 667593987 909968874 1335187974 23810852203 47621704406 71432556609 142865113218