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12353161244 = 2283193319249
BaseRepresentation
bin10111000000100111…
…00100100000011100
31011212220122121111112
423200103210200130
5200244402124434
65401443041152
7615060065234
oct134023444034
934786577445
1012353161244
11526a045976
1224890701b8
13121b386888
148528accc4
154c4780dce
hex2e04e481c

12353161244 has 24 divisors (see below), whose sum is σ = 21890946000. Its totient is φ = 6098690304.

The previous prime is 12353161229. The next prime is 12353161253. The reversal of 12353161244 is 44216135321.

It is a self number, because there is not a number n which added to its sum of digits gives 12353161244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632132 + ... + 651380.

It is an arithmetic number, because the mean of its divisors is an integer number (912122750).

Almost surely, 212353161244 is an apocalyptic number.

It is an amenable number.

12353161244 is a deficient number, since it is larger than the sum of its proper divisors (9537784756).

12353161244 is a wasteful number, since it uses less digits than its factorization.

12353161244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21269 (or 21267 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

Adding to 12353161244 its reverse (44216135321), we get a palindrome (56569296565).

The spelling of 12353161244 in words is "twelve billion, three hundred fifty-three million, one hundred sixty-one thousand, two hundred forty-four".

Divisors: 1 2 4 83 166 332 1933 3866 7732 19249 38498 76996 160439 320878 641756 1597667 3195334 6390668 37208317 74416634 148833268 3088290311 6176580622 12353161244