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2018145074016 = 253191712915439
BaseRepresentation
bin11101010111100010110…
…100011111101101100000
321010221012000000010010110
4131113202310133231200
5231031130114332031
64143042324531320
7265543342042341
oct35274264375540
97127160003113
102018145074016
11708988310525
12287168850b40
1311840585a666
146d9706820c8
153776ae90c46
hex1d5e2d1fb60

2018145074016 has 96 divisors (see below), whose sum is σ = 5326459084800. Its totient is φ = 669055749120.

The previous prime is 2018145073939. The next prime is 2018145074017. The reversal of 2018145074016 is 6104705418102.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×20181450740162 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018145074017) 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 15 ways as a sum of consecutive naturals, for example, 130709625 + ... + 130725063.

It is an arithmetic number, because the mean of its divisors is an integer number (55483948800).

Almost surely, 22018145074016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2018145074016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2663229542400).

2018145074016 is an abundant number, since it is smaller than the sum of its proper divisors (3308314010784).

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

2018145074016 is a wasteful number, since it uses less digits than its factorization.

2018145074016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22772 (or 22764 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 2018145074016 in words is "two trillion, eighteen billion, one hundred forty-five million, seventy-four thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 191 382 573 764 1146 1528 2292 3056 4584 6112 7129 9168 14258 15439 18336 21387 28516 30878 42774 46317 57032 61756 85548 92634 114064 123512 171096 185268 228128 247024 342192 370536 494048 684384 741072 1361639 1482144 2723278 2948849 4084917 5446556 5897698 8169834 8846547 10893112 11795396 16339668 17693094 21786224 23590792 32679336 35386188 43572448 47181584 65358672 70772376 94363168 110064631 130717344 141544752 220129262 283089504 330193893 440258524 660387786 880517048 1320775572 1761034096 2641551144 3522068192 5283102288 10566204576 21022344521 42044689042 63067033563 84089378084 126134067126 168178756168 252268134252 336357512336 504536268504 672715024672 1009072537008 2018145074016