In an old script found in the ruins of Persepolis, it is written:

"This script has been finished in a year whose 13th power is 258145266804692077858261512663. If you are skilled in Arithmetic, you will know the year this script is finished easily."

Find the year the script is finished. Provide a reason for your answer.

Let's think step by step and output the final answer within \boxed{}.
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