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52505322313 = 220723790359
BaseRepresentation
bin110000111001100011…
…111010001101001001
312000112012000201202011
4300321203322031021
51330012330303223
640042015135521
73536062606303
oct607143721511
9160465021664
1052505322313
11202a3981864
12a213b145a1
134c49b13872
142781368973
1515747c280d
hexc398fa349

52505322313 has 4 divisors (see below), whose sum is σ = 52529114880. Its totient is φ = 52481529748.

The previous prime is 52505322283. The next prime is 52505322319. The reversal of 52505322313 is 31322350525.

52505322313 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 52505322313 - 25 = 52505322281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52505322319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11892973 + ... + 11897386.

It is an arithmetic number, because the mean of its divisors is an integer number (13132278720).

Almost surely, 252505322313 is an apocalyptic number.

It is an amenable number.

52505322313 is a deficient number, since it is larger than the sum of its proper divisors (23792567).

52505322313 is a wasteful number, since it uses less digits than its factorization.

52505322313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23792566.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 52505322313 its reverse (31322350525), we get a palindrome (83827672838).

The spelling of 52505322313 in words is "fifty-two billion, five hundred five million, three hundred twenty-two thousand, three hundred thirteen".

Divisors: 1 2207 23790359 52505322313