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13333455689 = 64320736323
BaseRepresentation
bin11000110101011110…
…00110001101001001
31021102020020201200012
430122233012031021
5204301331040224
610043022121305
7651262334441
oct143257061511
937366221605
1013333455689
11572242a674
122701420235
1313464b4668
14906b6b121
1553086d80e
hex31abc6349

13333455689 has 4 divisors (see below), whose sum is σ = 13354192656. Its totient is φ = 13312718724.

The previous prime is 13333455683. The next prime is 13333455703. The reversal of 13333455689 is 98655433331.

13333455689 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13333455689 - 28 = 13333455433 is a prime.

It is a super-2 number, since 2×133334556892 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (13333455683) 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, 10367519 + ... + 10368804.

It is an arithmetic number, because the mean of its divisors is an integer number (3338548164).

Almost surely, 213333455689 is an apocalyptic number.

It is an amenable number.

13333455689 is a deficient number, since it is larger than the sum of its proper divisors (20736967).

13333455689 is an equidigital number, since it uses as much as digits as its factorization.

13333455689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20736966.

The product of its digits is 3499200, while the sum is 50.

The spelling of 13333455689 in words is "thirteen billion, three hundred thirty-three million, four hundred fifty-five thousand, six hundred eighty-nine".

Divisors: 1 643 20736323 13333455689