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13440332207 = 86811548247
BaseRepresentation
bin11001000010001101…
…10011000110101111
31021200200100121200202
430201012303012233
5210011211112312
610101400544115
7654030640001
oct144106630657
937620317622
1013440332207
115777798575
12273118203b
1313626950c3
1491702c371
15539e309c2
hex3211b31af

13440332207 has 4 divisors (see below), whose sum is σ = 13441889136. Its totient is φ = 13438775280.

The previous prime is 13440332189. The next prime is 13440332263. The reversal of 13440332207 is 70223304431.

13440332207 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 13440332207 - 232 = 9145364911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13440332207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440332267) 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, 765443 + ... + 782804.

It is an arithmetic number, because the mean of its divisors is an integer number (3360472284).

Almost surely, 213440332207 is an apocalyptic number.

13440332207 is a deficient number, since it is larger than the sum of its proper divisors (1556929).

13440332207 is an equidigital number, since it uses as much as digits as its factorization.

13440332207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556928.

The product of its (nonzero) digits is 12096, while the sum is 29.

Adding to 13440332207 its reverse (70223304431), we get a palindrome (83663636638).

The spelling of 13440332207 in words is "thirteen billion, four hundred forty million, three hundred thirty-two thousand, two hundred seven".

Divisors: 1 8681 1548247 13440332207