Search a number
-
+
12240353344 = 265913923321
BaseRepresentation
bin10110110011001010…
…01111100001000000
31011121001101101011011
423121211033201000
5200032012301334
65342333130304
7612220200232
oct133145174100
934531341134
1012240353344
1152113a66aa
122457329994
131200baa43b
14841906252
154b98eb564
hex2d994f840

12240353344 has 56 divisors (see below), whose sum is σ = 24879909600. Its totient is φ = 5972904960.

The previous prime is 12240353341. The next prime is 12240353369. The reversal of 12240353344 is 44335304221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12240353341) 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, 513204 + ... + 536524.

It is an arithmetic number, because the mean of its divisors is an integer number (444284100).

Almost surely, 212240353344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12240353344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12439954800).

12240353344 is an abundant number, since it is smaller than the sum of its proper divisors (12639556256).

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

12240353344 is a wasteful number, since it uses less digits than its factorization.

12240353344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23531 (or 23521 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 12240353344 its reverse (44335304221), we get a palindrome (56575657565).

The spelling of 12240353344 in words is "twelve billion, two hundred forty million, three hundred fifty-three thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 59 64 118 139 236 278 472 556 944 1112 1888 2224 3776 4448 8201 8896 16402 23321 32804 46642 65608 93284 131216 186568 262432 373136 524864 746272 1375939 1492544 2751878 3241619 5503756 6483238 11007512 12966476 22015024 25932952 44030048 51865904 88060096 103731808 191255521 207463616 382511042 765022084 1530044168 3060088336 6120176672 12240353344