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12304221406 = 213931441613
BaseRepresentation
bin10110111010110001…
…11000010011011110
31011202111120012122221
423131120320103132
5200144340041111
65352534055554
7613624104421
oct133530702336
934674505587
1012304221406
115244459724
1224747aa5ba
1312111acba9
1484a1ad9b8
154c0315371
hex2dd6384de

12304221406 has 8 divisors (see below), whose sum is σ = 18457698744. Its totient is φ = 6151655160.

The previous prime is 12304221341. The next prime is 12304221421. The reversal of 12304221406 is 60412240321.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192945 + ... + 248668.

It is an arithmetic number, because the mean of its divisors is an integer number (2307212343).

Almost surely, 212304221406 is an apocalyptic number.

12304221406 is a deficient number, since it is larger than the sum of its proper divisors (6153477338).

12304221406 is a wasteful number, since it uses less digits than its factorization.

12304221406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455546.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12304221406 its reverse (60412240321), we get a palindrome (72716461727).

The spelling of 12304221406 in words is "twelve billion, three hundred four million, two hundred twenty-one thousand, four hundred six".

Divisors: 1 2 13931 27862 441613 883226 6152110703 12304221406