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13263313243 = 223281211661
BaseRepresentation
bin11000101101000111…
…00001100101011011
31021020100021010022211
430112203201211123
5204130402010433
610032034455551
7646451205505
oct142643414533
937210233284
1013263313243
115696881604
1226a1a345b7
131334ac605b
148db70cd75
155296158cd
hex3168e195b

13263313243 has 8 divisors (see below), whose sum is σ = 13370265216. Its totient is φ = 13156785600.

The previous prime is 13263313201. The next prime is 13263313267. The reversal of 13263313243 is 34231336231.

13263313243 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13263313243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13263323243) 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 7 ways as a sum of consecutive naturals, for example, 43168 + ... + 168493.

It is an arithmetic number, because the mean of its divisors is an integer number (1671283152).

Almost surely, 213263313243 is an apocalyptic number.

13263313243 is a deficient number, since it is larger than the sum of its proper divisors (106951973).

13263313243 is a wasteful number, since it uses less digits than its factorization.

13263313243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212165.

The product of its digits is 23328, while the sum is 31.

Adding to 13263313243 its reverse (34231336231), we get a palindrome (47494649474).

The spelling of 13263313243 in words is "thirteen billion, two hundred sixty-three million, three hundred thirteen thousand, two hundred forty-three".

Divisors: 1 223 281 62663 211661 47200403 59476741 13263313243