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12243225205 = 54315681311
BaseRepresentation
bin10110110011100000…
…01100101001110101
31011121020210021121101
423121300030221311
5200033231201310
65342514450101
7612253461061
oct133160145165
934536707541
1012243225205
115212a88342
122458293931
131201674673
14842052aa1
154b9cb743a
hex2d9c0ca75

12243225205 has 8 divisors (see below), whose sum is σ = 14725960704. Its totient is φ = 9771853200.

The previous prime is 12243225179. The next prime is 12243225217. The reversal of 12243225205 is 50252234221.

12243225205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12243225205 - 223 = 12234836597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2838501 + ... + 2842810.

It is an arithmetic number, because the mean of its divisors is an integer number (1840745088).

Almost surely, 212243225205 is an apocalyptic number.

It is an amenable number.

12243225205 is a deficient number, since it is larger than the sum of its proper divisors (2482735499).

12243225205 is an equidigital number, since it uses as much as digits as its factorization.

12243225205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681747.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 12243225205 its reverse (50252234221), we get a palindrome (62495459426).

The spelling of 12243225205 in words is "twelve billion, two hundred forty-three million, two hundred twenty-five thousand, two hundred five".

Divisors: 1 5 431 2155 5681311 28406555 2448645041 12243225205