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based on an earlier version of the Wolfram Language.
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$SystemWordLength

$SystemWordLength
gives the effective number of bits in raw machine words on the computer system where Mathematica is running.
  • $SystemWordLength effectively gives the number of bits in memory addresses, or, more specifically, the length of a memory reference pointer.
Show the bit length of raw machine words:
Show the bit length of raw machine words:
In[1]:=
Click for copyable input
Out[1]=
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