Question: Numerical evaluation of ln close to 1

I'm trying to compute:

evalf[32](ln(1+exp(-64)));

and got:

1.6039999999999999999999999998714*10^(-28)

But I think it should be something close to:

evalf[32](exp(-64));

i.e:

1.6038108905486378529760870341423*10^(-28)

Is this a bug?

 

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