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1068649186888 = 23679239215797
BaseRepresentation
bin11111000110100000111…
…01001000011001001000
310210011100222222110010101
433203100131020121020
5120002043142440023
62134533004455144
7140131060133023
oct17432035103110
93704328873111
101068649186888
11382236674098
1215314054a4b4
1379a088c699a
1439a198b21ba
151cbe849b1ad
hexf8d0748648

1068649186888 has 32 divisors (see below), whose sum is σ = 2033852990400. Its totient is φ = 526290190272.

The previous prime is 1068649186877. The next prime is 1068649186949. The reversal of 1068649186888 is 8886819468601.

It is a super-2 number, since 2×10686491868882 (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (73) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1068649186888.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4844206 + ... + 5060002.

It is an arithmetic number, because the mean of its divisors is an integer number (63557905950).

Almost surely, 21068649186888 is an apocalyptic number.

It is an amenable number.

1068649186888 is a deficient number, since it is larger than the sum of its proper divisors (965203803512).

1068649186888 is a wasteful number, since it uses less digits than its factorization.

1068649186888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225109 (or 225105 counting only the distinct ones).

The product of its (nonzero) digits is 254803968, while the sum is 73.

The spelling of 1068649186888 in words is "one trillion, sixty-eight billion, six hundred forty-nine million, one hundred eighty-six thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 67 134 268 536 9239 18478 36956 73912 215797 431594 619013 863188 1238026 1726376 2476052 4952104 14458399 28916798 57833596 115667192 1993748483 3987496966 7974993932 15949987864 133581148361 267162296722 534324593444 1068649186888