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2212313112 = 233230726571
BaseRepresentation
bin1000001111011101…
…0011100000011000
312201011212011001200
42003313103200120
514012323004422
61003305314200
7105552231312
oct20367234030
95634764050
102212313112
11a3587a649
12518a95960
13293453019
1416db647b2
15ce3502ac
hex83dd3818

2212313112 has 24 divisors (see below), whose sum is σ = 5991681540. Its totient is φ = 737437680.

The previous prime is 2212313093. The next prime is 2212313119. The reversal of 2212313112 is 2113132122.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212313119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15363214 + ... + 15363357.

Almost surely, 22212313112 is an apocalyptic number.

It is an amenable number.

2212313112 is an abundant number, since it is smaller than the sum of its proper divisors (3779368428).

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

2212313112 is a wasteful number, since it uses less digits than its factorization.

2212313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30726583 (or 30726576 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2212313112 is about 47035.2326665873. The cubic root of 2212313112 is about 1303.0133474581.

Adding to 2212313112 its reverse (2113132122), we get a palindrome (4325445234).

The spelling of 2212313112 in words is "two billion, two hundred twelve million, three hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 30726571 61453142 92179713 122906284 184359426 245812568 276539139 368718852 553078278 737437704 1106156556 2212313112