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52381784873 = 1121273408719
BaseRepresentation
bin110000110010001100…
…101001101100101001
312000012120120101020102
4300302030221230221
51324234214103443
640021443235145
73533032552655
oct606214515451
9160176511212
1052381784873
1120240174300
12a19a678ab5
134c2a34b7a2
14276cbaba65
151568a1dcb8
hexc32329b29

52381784873 has 12 divisors (see below), whose sum is σ = 58030049280. Its totient is φ = 47244831480.

The previous prime is 52381784827. The next prime is 52381784879. The reversal of 52381784873 is 37848718325.

It is not a de Polignac number, because 52381784873 - 28 = 52381784617 is a prime.

It is a super-2 number, since 2×523817848732 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52381784879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1688993 + ... + 1719726.

It is an arithmetic number, because the mean of its divisors is an integer number (4835837440).

Almost surely, 252381784873 is an apocalyptic number.

It is an amenable number.

52381784873 is a deficient number, since it is larger than the sum of its proper divisors (5648264407).

52381784873 is a wasteful number, since it uses less digits than its factorization.

52381784873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408868 (or 3408857 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 56.

The spelling of 52381784873 in words is "fifty-two billion, three hundred eighty-one million, seven hundred eighty-four thousand, eight hundred seventy-three".

Divisors: 1 11 121 127 1397 15367 3408719 37495909 412454999 432907313 4761980443 52381784873