Base | Representation |
---|---|
bin | 110001110101… |
… | …1011100000101 |
3 | 1211011112212111 |
4 | 1203223130011 |
5 | 23142131211 |
6 | 2332021021 |
7 | 435050200 |
oct | 143533405 |
9 | 54145774 |
10 | 26130181 |
11 | 13827aa0 |
12 | 8901771 |
13 | 554b75c |
14 | 3682937 |
15 | 2462421 |
hex | 18eb705 |
26130181 has 12 divisors (see below), whose sum is σ = 33160320. Its totient is φ = 20360760.
The previous prime is 26130163. The next prime is 26130199. The reversal of 26130181 is 18103162.
It is an interprime number because it is at equal distance from previous prime (26130163) and next prime (26130199).
It is not a de Polignac number, because 26130181 - 27 = 26130053 is a prime.
It is a super-2 number, since 2×261301812 = 1365572718185522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26130121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23701 + ... + 24778.
It is an arithmetic number, because the mean of its divisors is an integer number (2763360).
Almost surely, 226130181 is an apocalyptic number.
It is an amenable number.
26130181 is a deficient number, since it is larger than the sum of its proper divisors (7030139).
26130181 is a wasteful number, since it uses less digits than its factorization.
26130181 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48504 (or 48497 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 26130181 is about 5111.7688719268. The cubic root of 26130181 is about 296.7432207156.
The spelling of 26130181 in words is "twenty-six million, one hundred thirty thousand, one hundred eighty-one".
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