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2231242112 = 27111731297
BaseRepresentation
bin1000010011111110…
…0000110110000000
312202111110211202202
42010333200312000
514032144221422
61005223132332
7106202150021
oct20477406600
95674424682
102231242112
11a45529250
125232a40a8
1329734cb08
14172490c48
15d0d3db92
hex84fe0d80

2231242112 has 192 divisors, whose sum is σ = 5360055120. Its totient is φ = 914227200.

The previous prime is 2231242087. The next prime is 2231242133. The reversal of 2231242112 is 2112421322.

It is a super-3 number, since 3×22312421123 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 23002448 + ... + 23002544.

Almost surely, 22231242112 is an apocalyptic number.

2231242112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231242112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2680027560).

2231242112 is an abundant number, since it is smaller than the sum of its proper divisors (3128813008).

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

2231242112 is a wasteful number, since it uses less digits than its factorization.

2231242112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 158 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 2231242112 is about 47236.0255737080. The cubic root of 2231242112 is about 1306.7190806871.

Adding to 2231242112 its reverse (2112421322), we get a palindrome (4343663434).

The spelling of 2231242112 in words is "two billion, two hundred thirty-one million, two hundred forty-two thousand, one hundred twelve".