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2111112203 = 2647797549
BaseRepresentation
bin111110111010101…
…0000010000001011
312110010102121111212
41331311100100023
513310421042303
6545252243335
7103213105034
oct17565202013
95403377455
102111112203
11993738932
124ab01054b
132784aba25
1416053da8b
15c550ead8
hex7dd5040b

2111112203 has 4 divisors (see below), whose sum is σ = 2111912400. Its totient is φ = 2110312008.

The previous prime is 2111112191. The next prime is 2111112229. The reversal of 2111112203 is 3022111112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2111112203 - 216 = 2111046667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111112503) 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, 396128 + ... + 401421.

It is an arithmetic number, because the mean of its divisors is an integer number (527978100).

Almost surely, 22111112203 is an apocalyptic number.

2111112203 is a deficient number, since it is larger than the sum of its proper divisors (800197).

2111112203 is an equidigital number, since it uses as much as digits as its factorization.

2111112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800196.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2111112203 is about 45946.8410557244. The cubic root of 2111112203 is about 1282.8339315906.

Adding to 2111112203 its reverse (3022111112), we get a palindrome (5133223315).

The spelling of 2111112203 in words is "two billion, one hundred eleven million, one hundred twelve thousand, two hundred three".

Divisors: 1 2647 797549 2111112203