How can I find the exact value of this continued fraction?

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How can I find the value of $$1 + \cfrac{1}{1 + \cfrac{1}{2 + \cfrac{1}{4 + \cfrac{1}{8 + \cfrac{1}{16 + \cfrac{1}{32 + \cfrac{1}{64 + \ldots}}}}}}}?$$ I have tried approximating the continued fraction and the result is close to $1.6915$. How can I find the exact value of this continued fraction?