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13213012453 is a prime number
BaseRepresentation
bin11000100111000111…
…01001000111100101
31021002211121120121121
430103203221013211
5204030012344303
610023040413541
7645300516124
oct142343510745
937084546547
1013213012453
115670445903
1226890172b1
131327563a84
148d4b77abb
15524ecb9bd
hex3138e91e5

13213012453 has 2 divisors, whose sum is σ = 13213012454. Its totient is φ = 13213012452.

The previous prime is 13213012429. The next prime is 13213012481. The reversal of 13213012453 is 35421031231.

It is a happy number.

13213012453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12479794369 + 733218084 = 111713^2 + 27078^2 .

It is a cyclic number.

It is not a de Polignac number, because 13213012453 - 29 = 13213011941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13213018453) 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 as a sum of consecutive naturals, namely, 6606506226 + 6606506227.

It is an arithmetic number, because the mean of its divisors is an integer number (6606506227).

Almost surely, 213213012453 is an apocalyptic number.

It is an amenable number.

13213012453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13213012453 is an equidigital number, since it uses as much as digits as its factorization.

13213012453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 13213012453 its reverse (35421031231), we get a palindrome (48634043684).

The spelling of 13213012453 in words is "thirteen billion, two hundred thirteen million, twelve thousand, four hundred fifty-three".