Base | Representation |
---|---|
bin | 10011110011011… |
… | …11000111011111 |
3 | 102120121021201021 |
4 | 21321233013133 |
5 | 320012131033 |
6 | 24252425011 |
7 | 4055040304 |
oct | 1171570737 |
9 | 376537637 |
10 | 166130143 |
11 | 8585a043 |
12 | 47778167 |
13 | 28558a7a |
14 | 180c70ab |
15 | e8b8b2d |
hex | 9e6f1df |
166130143 has 8 divisors (see below), whose sum is σ = 169462368. Its totient is φ = 162805344.
The previous prime is 166130119. The next prime is 166130149. The reversal of 166130143 is 341031661.
It is a happy number.
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 166130143 - 221 = 164032991 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (166130149) by changing a digit.
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, 71305 + ... + 73597.
It is an arithmetic number, because the mean of its divisors is an integer number (21182796).
Almost surely, 2166130143 is an apocalyptic number.
166130143 is a deficient number, since it is larger than the sum of its proper divisors (3332225).
166130143 is a wasteful number, since it uses less digits than its factorization.
166130143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3713.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 166130143 is about 12889.1482651105. The cubic root of 166130143 is about 549.7300526519.
The spelling of 166130143 in words is "one hundred sixty-six million, one hundred thirty thousand, one hundred forty-three".
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