Base | Representation |
---|---|
bin | 1010010001000… |
… | …11111000001011 |
3 | 20000001212101221 |
4 | 11020203320023 |
5 | 134022131222 |
6 | 12314022511 |
7 | 2064044263 |
oct | 510437013 |
9 | 200055357 |
10 | 86130187 |
11 | 44688980 |
12 | 24a17a37 |
13 | 14ac8710 |
14 | b6207a3 |
15 | 78650c7 |
hex | 5223e0b |
86130187 has 8 divisors (see below), whose sum is σ = 101188080. Its totient is φ = 72276960.
The previous prime is 86130181. The next prime is 86130197. The reversal of 86130187 is 78103168.
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 86130187 - 211 = 86128139 is a prime.
It is a super-2 number, since 2×861301872 = 14836818225309938, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (86130181) 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, 301012 + ... + 301297.
It is an arithmetic number, because the mean of its divisors is an integer number (12648510).
Almost surely, 286130187 is an apocalyptic number.
86130187 is a deficient number, since it is larger than the sum of its proper divisors (15057893).
86130187 is a wasteful number, since it uses less digits than its factorization.
86130187 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 602333.
The product of its (nonzero) digits is 8064, while the sum is 34.
The square root of 86130187 is about 9280.6350537019. The cubic root of 86130187 is about 441.6231149810.
The spelling of 86130187 in words is "eighty-six million, one hundred thirty thousand, one hundred eighty-seven".
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