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2223112312 = 231831151769
BaseRepresentation
bin1000010010000010…
…0000000001111000
312201221011210210001
42010200200001320
514023104043222
61004333002344
7106043100001
oct20440400170
95657153701
102223112312
11a40986203
125206233b4
13295764595
141713761a8
15d0284e27
hex84820078

2223112312 has 16 divisors (see below), whose sum is σ = 4170639600. Its totient is φ = 1110941760.

The previous prime is 2223112301. The next prime is 2223112343. The reversal of 2223112312 is 2132113222.

It is a self number, because there is not a number n which added to its sum of digits gives 2223112312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61237 + ... + 90532.

It is an arithmetic number, because the mean of its divisors is an integer number (260664975).

Almost surely, 22223112312 is an apocalyptic number.

It is an amenable number.

2223112312 is a deficient number, since it is larger than the sum of its proper divisors (1947527288).

2223112312 is a wasteful number, since it uses less digits than its factorization.

2223112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153606 (or 153602 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 2223112312 is about 47149.8919617002. The cubic root of 2223112312 is about 1305.1300863163.

Adding to 2223112312 its reverse (2132113222), we get a palindrome (4355225534).

It can be divided in two parts, 22231 and 12312, that added together give a palindrome (34543).

The spelling of 2223112312 in words is "two billion, two hundred twenty-three million, one hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 8 1831 3662 7324 14648 151769 303538 607076 1214152 277889039 555778078 1111556156 2223112312