Search a number
-
+
12144224313 = 3213412531629
BaseRepresentation
bin10110100111101101…
…00010100000111001
31011100100111111220200
423103312202200321
5144332410134223
65325020512413
7606642126534
oct132366424071
934310444820
1012144224313
115172109521
12242b0ab709
1311b6cc0860
14832c41a1b
154b125da43
hex2d3da2839

12144224313 has 24 divisors (see below), whose sum is σ = 19351779720. Its totient is φ = 7291088640.

The previous prime is 12144224299. The next prime is 12144224327. The reversal of 12144224313 is 31342244121.

12144224313 is a `hidden beast` number, since 121 + 4 + 4 + 224 + 313 = 666.

12144224313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12144224299) and next prime (12144224327).

It can be written as a sum of positive squares in 4 ways, for example, as 9659664 + 12134564649 = 3108^2 + 110157^2 .

It is not a de Polignac number, because 12144224313 - 212 = 12144220217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12144224413) 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 23 ways as a sum of consecutive naturals, for example, 1261018 + ... + 1270611.

It is an arithmetic number, because the mean of its divisors is an integer number (806324155).

Almost surely, 212144224313 is an apocalyptic number.

12144224313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12144224313 is a deficient number, since it is larger than the sum of its proper divisors (7207555407).

12144224313 is a wasteful number, since it uses less digits than its factorization.

12144224313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531689 (or 2531686 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 12144224313 its reverse (31342244121), we get a palindrome (43486468434).

The spelling of 12144224313 in words is "twelve billion, one hundred forty-four million, two hundred twenty-four thousand, three hundred thirteen".

Divisors: 1 3 9 13 39 41 117 123 369 533 1599 4797 2531629 7594887 22784661 32911177 98733531 103796789 296200593 311390367 934171101 1349358257 4048074771 12144224313