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13220332303 = 32094119767
BaseRepresentation
bin11000100111111111…
…00100001100001111
31021010100101110120011
430103333210030033
5204033401113203
610023501334051
7645416653603
oct142377441417
937110343504
1013220332303
115674595372
12268b567327
131328c27749
148d5b21503
1552597576d
hex313fe430f

13220332303 has 4 divisors (see below), whose sum is σ = 13224455280. Its totient is φ = 13216209328.

The previous prime is 13220332291. The next prime is 13220332381. The reversal of 13220332303 is 30323302231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30323302231 = 145492084219.

It is a cyclic number.

It is not a de Polignac number, because 13220332303 - 25 = 13220332271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220332603) 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 3 ways as a sum of consecutive naturals, for example, 2056675 + ... + 2063092.

It is an arithmetic number, because the mean of its divisors is an integer number (3306113820).

Almost surely, 213220332303 is an apocalyptic number.

13220332303 is a deficient number, since it is larger than the sum of its proper divisors (4122977).

13220332303 is an equidigital number, since it uses as much as digits as its factorization.

13220332303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122976.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 13220332303 its reverse (30323302231), we get a palindrome (43543634534).

The spelling of 13220332303 in words is "thirteen billion, two hundred twenty million, three hundred thirty-two thousand, three hundred three".

Divisors: 1 3209 4119767 13220332303