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11113212230 = 256091182453
BaseRepresentation
bin10100101100110011…
…00010100101000110
31001200111110200012222
422112121202211012
5140224440242410
65034430412342
7542252513441
oct122631424506
931614420188
1011113212230
11479313391a
1221a19610b2
131081515b33
14775d40658
154509a3955
hex296662946

11113212230 has 16 divisors (see below), whose sum is σ = 20007175824. Its totient is φ = 4444530720.

The previous prime is 11113212221. The next prime is 11113212251. The reversal of 11113212230 is 3221231111.

It is a junction number, because it is equal to n+sod(n) for n = 11113212199 and 11113212208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30317 + ... + 152136.

It is an arithmetic number, because the mean of its divisors is an integer number (1250448489).

Almost surely, 211113212230 is an apocalyptic number.

11113212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11113212230 is a deficient number, since it is larger than the sum of its proper divisors (8893963594).

11113212230 is a wasteful number, since it uses less digits than its factorization.

11113212230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188551.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11113212230 its reverse (3221231111), we get a palindrome (14334443341).

The spelling of 11113212230 in words is "eleven billion, one hundred thirteen million, two hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 6091 12182 30455 60910 182453 364906 912265 1824530 1111321223 2222642446 5556606115 11113212230