64 bit hexadecimal to base 10 conversion [closed]

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The hex value is 1679EDDF2CFD1455

I am expecting the decimal equivalent to be 1.619587084 X 10 ^ 18

If possible, could someone please confirm this, and if possible I would love more significant digits to the decimal value.

Thank you in advance.

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Using python:

>>> 0x1679EDDF2CFD1455
1619587083804677205

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Windows calculator says it's 1,619,587,083,804,677,205

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For completeness, here's what Ruby says:

jfpoole@brakhage:~$ irb
>> 0x1679EDDF2CFD1455
=> 1619587083804677205

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Since everyone's doing it, I'll throw in the bc version. :P

$ bc
bc 1.06
Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc.
This is free software with ABSOLUTELY NO WARRANTY.
For details type `warranty'. 
ibase=16
1679EDDF2CFD1455
1619587083804677205

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$ dc <<< '16i1679EDDF2CFD1455p'
1619587083804677205
$