Search a number
-
+
12230230332 = 2231099350329
BaseRepresentation
bin10110110001111101…
…01000000100111100
31011120100100001222210
423120332220010330
5200021414332312
65341332140420
7612035146125
oct133076500474
934510301883
1012230230332
115206712081
122453a67710
1311cba748a8
1484042d04c
154b8a9be3c
hex2d8fa813c

12230230332 has 24 divisors (see below), whose sum is σ = 28799016400. Its totient is φ = 4039341696.

The previous prime is 12230230303. The next prime is 12230230333. The reversal of 12230230332 is 23303203221.

12230230332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12230230299 and 12230230308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230230333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4673857 + ... + 4676472.

Almost surely, 212230230332 is an apocalyptic number.

12230230332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12230230332 is an abundant number, since it is smaller than the sum of its proper divisors (16568786068).

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

12230230332 is a wasteful number, since it uses less digits than its factorization.

12230230332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9350445 (or 9350443 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 12230230332 its reverse (23303203221), we get a palindrome (35533433553).

The spelling of 12230230332 in words is "twelve billion, two hundred thirty million, two hundred thirty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 109 218 327 436 654 1308 9350329 18700658 28050987 37401316 56101974 112203948 1019185861 2038371722 3057557583 4076743444 6115115166 12230230332