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52808189293 is a prime number
BaseRepresentation
bin110001001011100111…
…010000010101101101
312001022021220222010201
4301023213100111231
51331122344024133
640132034433501
73546431126356
oct611347202555
9161267828121
1052808189293
1120439934252
12a299432891
134c977a65b2
1427ad686d2d
15159119ad7d
hexc4b9d056d

52808189293 has 2 divisors, whose sum is σ = 52808189294. Its totient is φ = 52808189292.

The previous prime is 52808189261. The next prime is 52808189333. The reversal of 52808189293 is 39298180825.

It is a happy number.

52808189293 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., 37047395529 + 15760793764 = 192477^2 + 125542^2 .

It is a cyclic number.

It is not a de Polignac number, because 52808189293 - 25 = 52808189261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52808189233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26404094646 + 26404094647.

It is an arithmetic number, because the mean of its divisors is an integer number (26404094647).

Almost surely, 252808189293 is an apocalyptic number.

It is an amenable number.

52808189293 is a deficient number, since it is larger than the sum of its proper divisors (1).

52808189293 is an equidigital number, since it uses as much as digits as its factorization.

52808189293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 52808189293 in words is "fifty-two billion, eight hundred eight million, one hundred eighty-nine thousand, two hundred ninety-three".