M000000233

$$\pi=3530523240\arctan\left(\frac{1}{1454097393}\right)+2069272524\arctan\left(\frac{1}{1479406293}\right)-847798888\arctan\left(\frac{1}{2406126693}\right)+1731752128\arctan\left(\frac{1}{3024600267}\right)-3137210324\arctan\left(\frac{1}{4038832337}\right)+117720844\arctan\left(\frac{1}{6608082112}\right)+599437000\arctan\left(\frac{1}{12139595709}\right)-1385260676\arctan\left(\frac{1}{18710140581}\right)-257370388\arctan\left(\frac{1}{20112174818}\right)-572182708\arctan\left(\frac{2}{47029703269}\right)-1112834172\arctan\left(\frac{1}{29546599818}\right)-75326104\arctan\left(\frac{1}{35217386577}\right)-1853606744\arctan\left(\frac{2}{112899039159}\right)-1050901960\arctan\left(\frac{1}{120563046313}\right)-1697572868\arctan\left(\frac{1}{265542904947}\right)+887279476\arctan\left(\frac{1}{378137211957}\right)+1814988284\arctan\left(\frac{1}{3737240479718}\right)+1704552056\arctan\left(\frac{1}{6494737887682}\right)+900155472\arctan\left(\frac{1}{11830545643782}\right)$$