Base | Representation |
---|---|
bin | 11111000110100000111… |
… | …01001000011001001000 |
3 | 10210011100222222110010101 |
4 | 33203100131020121020 |
5 | 120002043142440023 |
6 | 2134533004455144 |
7 | 140131060133023 |
oct | 17432035103110 |
9 | 3704328873111 |
10 | 1068649186888 |
11 | 382236674098 |
12 | 15314054a4b4 |
13 | 79a088c699a |
14 | 39a198b21ba |
15 | 1cbe849b1ad |
hex | f8d0748648 |
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".
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