from gmpy2 import *

c = 0x5c93ba85692a8b3981a5d47be0e80d129b8a2f6cf4dc134547aa7e1620f6691513b1dc1d69e085c39e261c2b49026436bb243dba70a86f7fcd1a3a7e6b0f0ecfac015becad0a76e9cf208d5d31e2b4865

with local_context() as ctx:
    ctx.precision = 3000
    m = cbrt(c)
    # m = iroot(c, 3)[0]

    print ('%x' % int(m)).decode("hex")

FLAG : HackCTF{H3ll0_My_3xp0n3nt!}