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13343846785 = 52668769357
BaseRepresentation
bin11000110110101101…
…01111000110000001
31021102221210122120121
430123112233012001
5204312011044120
610044032540241
7651446553253
oct143326570601
937387718517
1013343846785
115728287655
1227049b1681
1313486b2239
149082b3cd3
155317225aa
hex31b5af181

13343846785 has 4 divisors (see below), whose sum is σ = 16012616148. Its totient is φ = 10675077424.

The previous prime is 13343846783. The next prime is 13343846849. The reversal of 13343846785 is 58764834331.

13343846785 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 7838800369 + 5505046416 = 88537^2 + 74196^2 .

It is a cyclic number.

It is not a de Polignac number, because 13343846785 - 21 = 13343846783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13343846783) 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, 1334384674 + ... + 1334384683.

It is an arithmetic number, because the mean of its divisors is an integer number (4003154037).

Almost surely, 213343846785 is an apocalyptic number.

It is an amenable number.

13343846785 is a deficient number, since it is larger than the sum of its proper divisors (2668769363).

13343846785 is an equidigital number, since it uses as much as digits as its factorization.

13343846785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668769362.

The product of its digits is 5806080, while the sum is 52.

The spelling of 13343846785 in words is "thirteen billion, three hundred forty-three million, eight hundred forty-six thousand, seven hundred eighty-five".

Divisors: 1 5 2668769357 13343846785