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12110444421 = 36476239281
BaseRepresentation
bin10110100011101011…
…01011011110000101
31011020222221022121120
423101311223132011
5144300233210141
65321412504153
7606052036065
oct132165533605
934228838546
1012110444421
115155037159
12241b91b059
1311accc425a
1482c56b3a5
154ad2d9c66
hex2d1d6b785

12110444421 has 8 divisors (see below), whose sum is σ = 16172218944. Its totient is φ = 8061149760.

The previous prime is 12110444417. The next prime is 12110444431. The reversal of 12110444421 is 12444401121.

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

It is not a de Polignac number, because 12110444421 - 22 = 12110444417 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12110444391 and 12110444400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110444431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3117700 + ... + 3121581.

It is an arithmetic number, because the mean of its divisors is an integer number (2021527368).

Almost surely, 212110444421 is an apocalyptic number.

It is an amenable number.

12110444421 is a deficient number, since it is larger than the sum of its proper divisors (4061774523).

12110444421 is an equidigital number, since it uses as much as digits as its factorization.

12110444421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239931.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 12110444421 its reverse (12444401121), we get a palindrome (24554845542).

The spelling of 12110444421 in words is "twelve billion, one hundred ten million, four hundred forty-four thousand, four hundred twenty-one".

Divisors: 1 3 647 1941 6239281 18717843 4036814807 12110444421