Givoogol is a number in the googol family, formed by substituting IV = 4 for z in the -az- variable infix, as in the zazzification of billion into bazillion, but then contacted by the removal of the -a-[1]. It is equal to g(4, 50, 100), a hundred-pentated-to-the-fiftieth = 100↑↑↑50.
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