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12444052222 = 27888860873
BaseRepresentation
bin10111001011011100…
…10010101011111110
31012010020200100111001
423211232102223332
5200441134132342
65414451120514
7620242461430
oct134556225376
935106610431
1012444052222
115306385688
1224b35a313a
13123415b214
148609ac650
154cc7368b7
hex2e5b92afe

12444052222 has 8 divisors (see below), whose sum is σ = 21332660976. Its totient is φ = 5333165232.

The previous prime is 12444052219. The next prime is 12444052249. The reversal of 12444052222 is 22225044421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444430423 + ... + 444430450.

It is an arithmetic number, because the mean of its divisors is an integer number (2666582622).

Almost surely, 212444052222 is an apocalyptic number.

12444052222 is a deficient number, since it is larger than the sum of its proper divisors (8888608754).

12444052222 is an equidigital number, since it uses as much as digits as its factorization.

12444052222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888860882.

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 12444052222 its reverse (22225044421), we get a palindrome (34669096643).

The spelling of 12444052222 in words is "twelve billion, four hundred forty-four million, fifty-two thousand, two hundred twenty-two".

Divisors: 1 2 7 14 888860873 1777721746 6222026111 12444052222