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52190308134 = 23219714718079
BaseRepresentation
bin110000100110110010…
…001110011100100110
311222201020021100112100
4300212302032130212
51323341204330014
635550443232530
73525216204516
oct604662163446
9158636240470
1052190308134
1120152082a68
12a146518746
134bc9789b43
1427515a7846
151556cea009
hexc26c8e726

52190308134 has 24 divisors (see below), whose sum is σ = 113653013760. Its totient is φ = 17308459728.

The previous prime is 52190308133. The next prime is 52190308147. The reversal of 52190308134 is 43180309125.

52190308134 is a `hidden beast` number, since 5 + 219 + 0 + 308 + 134 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52190308133) 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 11 ways as a sum of consecutive naturals, for example, 7355494 + ... + 7362585.

It is an arithmetic number, because the mean of its divisors is an integer number (4735542240).

Almost surely, 252190308134 is an apocalyptic number.

52190308134 is an abundant number, since it is smaller than the sum of its proper divisors (61462705626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52190308134 is a wasteful number, since it uses less digits than its factorization.

52190308134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14718284 (or 14718281 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Subtracting from 52190308134 its reverse (43180309125), we obtain a palindrome (9009999009).

The spelling of 52190308134 in words is "fifty-two billion, one hundred ninety million, three hundred eight thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 197 394 591 1182 1773 3546 14718079 29436158 44154237 88308474 132462711 264925422 2899461563 5798923126 8698384689 17396769378 26095154067 52190308134