Base | Representation |
---|---|
bin | 10100000110110… |
… | …10011100000011 |
3 | 102202101011110121 |
4 | 22003122130003 |
5 | 321134320013 |
6 | 24423041111 |
7 | 4115434120 |
oct | 1203323403 |
9 | 382334417 |
10 | 168666883 |
11 | 87231a20 |
12 | 485a0197 |
13 | 28c365b8 |
14 | 18587747 |
15 | ec1a58d |
hex | a0da703 |
168666883 has 8 divisors (see below), whose sum is σ = 210286080. Its totient is φ = 131428680.
The previous prime is 168666863. The next prime is 168666893. The reversal of 168666883 is 388666861.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 168666883 - 217 = 168535811 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 168666883.
It is not an unprimeable number, because it can be changed into a prime (168666803) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095163 + ... + 1095316.
It is an arithmetic number, because the mean of its divisors is an integer number (26285760).
Almost surely, 2168666883 is an apocalyptic number.
168666883 is a deficient number, since it is larger than the sum of its proper divisors (41619197).
168666883 is a wasteful number, since it uses less digits than its factorization.
168666883 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2190497.
The product of its digits is 1990656, while the sum is 52.
The square root of 168666883 is about 12987.1814879134. The cubic root of 168666883 is about 552.5139822973.
The spelling of 168666883 in words is "one hundred sixty-eight million, six hundred sixty-six thousand, eight hundred eighty-three".
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