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2668185022884 = 223222348751907
BaseRepresentation
bin100110110100111100001…
…110000111000110100100
3100110002001101211221210020
4212310330032013012210
5322203420331213014
65401425224555140
7363525053326203
oct46647416070644
910402041757706
102668185022884
11939630982267
12371141922ab0
131647bb604064
14931d869523a
1549613e451a9
hex26d3c3871a4

2668185022884 has 12 divisors (see below), whose sum is σ = 6225765053424. Its totient is φ = 889395007624.

The previous prime is 2668185022883. The next prime is 2668185022913. The reversal of 2668185022884 is 4882205818662.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×26681850228842 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2668185022883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111174375942 + ... + 111174375965.

It is an arithmetic number, because the mean of its divisors is an integer number (518813754452).

Almost surely, 22668185022884 is an apocalyptic number.

It is an amenable number.

2668185022884 is an abundant number, since it is smaller than the sum of its proper divisors (3557580030540).

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

2668185022884 is a wasteful number, since it uses less digits than its factorization.

2668185022884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222348751914 (or 222348751912 counting only the distinct ones).

The product of its (nonzero) digits is 23592960, while the sum is 60.

The spelling of 2668185022884 in words is "two trillion, six hundred sixty-eight billion, one hundred eighty-five million, twenty-two thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 222348751907 444697503814 667046255721 889395007628 1334092511442 2668185022884