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2112440313 = 32330615077
BaseRepresentation
bin111110111101001…
…0100011111111001
312110012221002100010
41331322110133321
513311241042223
6545340532133
7103230306054
oct17572243771
95405832303
102112440313
11994465745
124ab551049
132788553a9
141607a7a9b
15c56c3393
hex7de947f9

2112440313 has 8 divisors (see below), whose sum is σ = 2939047488. Its totient is φ = 1347063344.

The previous prime is 2112440299. The next prime is 2112440357. The reversal of 2112440313 is 3130442112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112440313 - 212 = 2112436217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112440313.

It is not an unprimeable number, because it can be changed into a prime (2112440413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15307470 + ... + 15307607.

It is an arithmetic number, because the mean of its divisors is an integer number (367380936).

Almost surely, 22112440313 is an apocalyptic number.

2112440313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2112440313 is a deficient number, since it is larger than the sum of its proper divisors (826607175).

2112440313 is a wasteful number, since it uses less digits than its factorization.

2112440313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30615103.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2112440313 is about 45961.2914635783. The cubic root of 2112440313 is about 1283.1028873599.

Adding to 2112440313 its reverse (3130442112), we get a palindrome (5242882425).

The spelling of 2112440313 in words is "two billion, one hundred twelve million, four hundred forty thousand, three hundred thirteen".

Divisors: 1 3 23 69 30615077 91845231 704146771 2112440313