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12442183338 = 2313159515171
BaseRepresentation
bin10111001011001110…
…01010011010101010
31012010010011101212010
423211213022122222
5200440144331323
65414343100350
7620220545664
oct134547123252
935103141763
1012442183338
115305319552
1224b2a416b6
131233955680
14860643534
154cc4b7c93
hex2e59ca6aa

12442183338 has 16 divisors (see below), whose sum is σ = 26798548896. Its totient is φ = 3828364080.

The previous prime is 12442183333. The next prime is 12442183373. The reversal of 12442183338 is 83338124421.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 12442183296 and 12442183305.

It is not an unprimeable number, because it can be changed into a prime (12442183331) 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, 79757508 + ... + 79757663.

It is an arithmetic number, because the mean of its divisors is an integer number (1674909306).

Almost surely, 212442183338 is an apocalyptic number.

12442183338 is an abundant number, since it is smaller than the sum of its proper divisors (14356365558).

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

12442183338 is a wasteful number, since it uses less digits than its factorization.

12442183338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159515189.

The product of its digits is 110592, while the sum is 39.

The spelling of 12442183338 in words is "twelve billion, four hundred forty-two million, one hundred eighty-three thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 159515171 319030342 478545513 957091026 2073697223 4147394446 6221091669 12442183338