#(2^((2^(111-1))-1))*(2-(2^-2147483536))
from decimal import *
getcontext().prec = 100
from decimal import localcontext
with localcontext() as ctx:
    print(ctx.Emax) # デフォルトの指数上限は999999なので、今回の計算だと足りない
    ctx.Emax = 9999999999999999999999999999999999 # 指数上限を増やす
    s = ctx.power(2,1298074214633706907132624082305023)
    print(s)
    w = ctx.power(2,-2147483536)
    print(w)
    t = (s * 2 - s * w)
    print(t)
    #必要に応じて有効桁を調整する
    format_str = "{:.1e}".format(t)
    print(format_str)

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