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13435033405 = 52687006681
BaseRepresentation
bin11001000001100101…
…00101011100111101
31021200022101102002211
430200302211130331
5210003332032110
610101051220421
7653634620413
oct144062453475
937608342084
1013435033405
1157747a94a2
12272b447711
13136155b311
1491644d2b3
1553973598a
hex320ca573d

13435033405 has 4 divisors (see below), whose sum is σ = 16122040092. Its totient is φ = 10748026720.

The previous prime is 13435033387. The next prime is 13435033421. The reversal of 13435033405 is 50433053431.

13435033405 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 an emirpimes, since its reverse is a distinct semiprime: 50433053431 = 271791855589.

It can be written as a sum of positive squares in 2 ways, for example, as 3857279449 + 9577753956 = 62107^2 + 97866^2 .

It is not a de Polignac number, because 13435033405 - 225 = 13401478973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1343503336 + ... + 1343503345.

It is an arithmetic number, because the mean of its divisors is an integer number (4030510023).

Almost surely, 213435033405 is an apocalyptic number.

It is an amenable number.

13435033405 is a deficient number, since it is larger than the sum of its proper divisors (2687006687).

13435033405 is an equidigital number, since it uses as much as digits as its factorization.

13435033405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687006686.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 13435033405 its reverse (50433053431), we get a palindrome (63868086836).

The spelling of 13435033405 in words is "thirteen billion, four hundred thirty-five million, thirty-three thousand, four hundred five".

Divisors: 1 5 2687006681 13435033405