Search a number
-
+
13122222203 = 26349894381
BaseRepresentation
bin11000011100010010…
…10011100001111011
31020212111202221210202
430032021103201323
5203333242102303
610010034432415
7643116022406
oct141611234173
936774687722
1013122222203
115624174842
12266273270b
1313117c622c
148c6aa2d3d
1551c045c88
hex30e25387b

13122222203 has 4 divisors (see below), whose sum is σ = 13172116848. Its totient is φ = 13072327560.

The previous prime is 13122222173. The next prime is 13122222287. The reversal of 13122222203 is 30222222131.

It is a happy number.

13122222203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13122222203 - 214 = 13122205819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13122222103) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24946928 + ... + 24947453.

It is an arithmetic number, because the mean of its divisors is an integer number (3293029212).

Almost surely, 213122222203 is an apocalyptic number.

13122222203 is a deficient number, since it is larger than the sum of its proper divisors (49894645).

13122222203 is an equidigital number, since it uses as much as digits as its factorization.

13122222203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49894644.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13122222203 its reverse (30222222131), we get a palindrome (43344444334).

The spelling of 13122222203 in words is "thirteen billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred three".

Divisors: 1 263 49894381 13122222203