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8450381420068 = 2271717752902143
BaseRepresentation
bin111101011111000000111…
…1110111001011000100100
31002220211220121111002110011
41322332001332321120210
52101422340120420233
625550015052540004
71531343220631660
oct172760176713044
932824817432404
108450381420068
112768872013185
12b458a7781604
13493b38009863
14213001a9b8a0
15e9c319470cd
hex7af81fb9624

8450381420068 has 24 divisors (see below), whose sum is σ = 17894925361152. Its totient is φ = 3408557211264.

The previous prime is 8450381420059. The next prime is 8450381420111. The reversal of 8450381420068 is 8600241830548.

It is a super-2 number, since 2×84503814200682 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8876450596 + ... + 8876451547.

It is an arithmetic number, because the mean of its divisors is an integer number (745621890048).

Almost surely, 28450381420068 is an apocalyptic number.

It is an amenable number.

8450381420068 is an abundant number, since it is smaller than the sum of its proper divisors (9444543941084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8450381420068 is a wasteful number, since it uses less digits than its factorization.

8450381420068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17752902171 (or 17752902169 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 49.

The spelling of 8450381420068 in words is "eight trillion, four hundred fifty billion, three hundred eighty-one million, four hundred twenty thousand, sixty-eight".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 17752902143 35505804286 71011608572 124270315001 248540630002 301799336431 497081260004 603598672862 1207197345724 2112595355017 4225190710034 8450381420068