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13434813769 = 131033447213
BaseRepresentation
bin11001000001100011…
…01111110101001001
31021200021222020211011
430200301233311021
5210003303020034
610101042403521
7653633014156
oct144061576511
937607866734
1013434813769
115774669483
12272b3605a1
1313614b2360
149163d322d
155396e0864
hex320c6fd49

13434813769 has 4 divisors (see below), whose sum is σ = 14468260996. Its totient is φ = 12401366544.

The previous prime is 13434813727. The next prime is 13434813781. The reversal of 13434813769 is 96731843431.

It is a happy number.

13434813769 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 can be written as a sum of positive squares in 2 ways, for example, as 1289671744 + 12145142025 = 35912^2 + 110205^2 .

It is a cyclic number.

It is not a de Polignac number, because 13434813769 - 219 = 13434289481 is a prime.

It is a super-2 number, since 2×134348137692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13434813169) 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, 516723594 + ... + 516723619.

It is an arithmetic number, because the mean of its divisors is an integer number (3617065249).

Almost surely, 213434813769 is an apocalyptic number.

It is an amenable number.

13434813769 is a deficient number, since it is larger than the sum of its proper divisors (1033447227).

13434813769 is a wasteful number, since it uses less digits than its factorization.

13434813769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033447226.

The product of its digits is 1306368, while the sum is 49.

The spelling of 13434813769 in words is "thirteen billion, four hundred thirty-four million, eight hundred thirteen thousand, seven hundred sixty-nine".

Divisors: 1 13 1033447213 13434813769