Base | Representation |
---|---|
bin | 1010110101100100110… |
… | …0010101100101000100 |
3 | 122210120012111221121002 |
4 | 2231121030111211010 |
5 | 11022244040000233 |
6 | 221310243312432 |
7 | 16310466614006 |
oct | 2553114254504 |
9 | 583505457532 |
10 | 186180000068 |
11 | 71a5a835757 |
12 | 300bb37b718 |
13 | 147310b421a |
14 | 90228a2376 |
15 | 4c9a0496e8 |
hex | 2b59315944 |
186180000068 has 24 divisors (see below), whose sum is σ = 346498874400. Its totient is φ = 87281342208.
The previous prime is 186180000067. The next prime is 186180000091. The reversal of 186180000068 is 860000081681.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a junction number, because it is equal to n+sod(n) for n = 186179999986 and 186180000040.
It is not an unprimeable number, because it can be changed into a prime (186180000067) by changing a digit.
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, 12620138 + ... + 12634881.
It is an arithmetic number, because the mean of its divisors is an integer number (14437453100).
Almost surely, 2186180000068 is an apocalyptic number.
It is an amenable number.
186180000068 is a deficient number, since it is larger than the sum of its proper divisors (160318874332).
186180000068 is a wasteful number, since it uses less digits than its factorization.
186180000068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25255139 (or 25255137 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 38.
The spelling of 186180000068 in words is "one hundred eighty-six billion, one hundred eighty million, sixty-eight", and thus it is an aban number.
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