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68222875016 = 2365314598951
BaseRepresentation
bin111111100010011001…
…100111010110001000
320112002120101010200202
4333202121213112020
52104210024000031
651201404551332
74633424604152
oct774231472610
9215076333622
1068222875016
1126a2a04183a
121127b852548
1365832064ca
1434329b5ad2
151b945c52cb
hexfe2667588

68222875016 has 32 divisors (see below), whose sum is σ = 128215915200. Its totient is φ = 34032052800.

The previous prime is 68222875003. The next prime is 68222875079. The reversal of 68222875016 is 61057822286.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7617341 + ... + 7626291.

It is an arithmetic number, because the mean of its divisors is an integer number (4006747350).

Almost surely, 268222875016 is an apocalyptic number.

It is an amenable number.

68222875016 is a deficient number, since it is larger than the sum of its proper divisors (59993040184).

68222875016 is a wasteful number, since it uses less digits than its factorization.

68222875016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11069 (or 11065 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 68222875016 in words is "sixty-eight billion, two hundred twenty-two million, eight hundred seventy-five thousand, sixteen".

Divisors: 1 2 4 8 653 1306 1459 2612 2918 5224 5836 8951 11672 17902 35804 71608 952727 1905454 3810908 5845003 7621816 11690006 13059509 23380012 26119018 46760024 52238036 104476072 8527859377 17055718754 34111437508 68222875016