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2216115272888 = 231131812358971
BaseRepresentation
bin100000001111111010110…
…000110111110010111000
321211212011212212012221022
4200033322300313302320
5242302101002213023
64414022545202012
7316052255004656
oct40177260676270
97755155765838
102216115272888
11784938330030
122b95b8630308
13130c95499b7a
1479390d4bdd6
153c9a61177c8
hex203fac37cb8

2216115272888 has 32 divisors (see below), whose sum is σ = 4679187678720. Its totient is φ = 974830764000.

The previous prime is 2216115272869. The next prime is 2216115272893. The reversal of 2216115272888 is 8882725116122.

It is a super-2 number, since 2×22161152728882 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406176758 + ... + 406182213.

It is an arithmetic number, because the mean of its divisors is an integer number (146224614960).

Almost surely, 22216115272888 is an apocalyptic number.

It is an amenable number.

2216115272888 is an abundant number, since it is smaller than the sum of its proper divisors (2463072405832).

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

2216115272888 is a wasteful number, since it uses less digits than its factorization.

2216115272888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812359019 (or 812359015 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 53.

The spelling of 2216115272888 in words is "two trillion, two hundred sixteen billion, one hundred fifteen million, two hundred seventy-two thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 11 22 31 44 62 88 124 248 341 682 1364 2728 812358971 1624717942 3249435884 6498871768 8935948681 17871897362 25183128101 35743794724 50366256202 71487589448 100732512404 201465024808 277014409111 554028818222 1108057636444 2216115272888