Base | Representation |
---|---|
bin | 10101101101010… |
… | …11100001000101 |
3 | 110200122221201101 |
4 | 22312223201011 |
5 | 333104344211 |
6 | 30023100101 |
7 | 4340606545 |
oct | 1266534105 |
9 | 420587641 |
10 | 182106181 |
11 | 93881084 |
12 | 50ba1631 |
13 | 2b96074a |
14 | 1a285325 |
15 | 10ec25c1 |
hex | adab845 |
182106181 has 2 divisors, whose sum is σ = 182106182. Its totient is φ = 182106180.
The previous prime is 182106173. The next prime is 182106257. The reversal of 182106181 is 181601281.
182106181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 181037025 + 1069156 = 13455^2 + 1034^2 .
It is a cyclic number.
It is not a de Polignac number, because 182106181 - 23 = 182106173 is a prime.
It is a super-2 number, since 2×1821061812 = 66325322316809522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (182106101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91053090 + 91053091.
It is an arithmetic number, because the mean of its divisors is an integer number (91053091).
Almost surely, 2182106181 is an apocalyptic number.
It is an amenable number.
182106181 is a deficient number, since it is larger than the sum of its proper divisors (1).
182106181 is an equidigital number, since it uses as much as digits as its factorization.
182106181 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 768, while the sum is 28.
The square root of 182106181 is about 13494.6723191043. The cubic root of 182106181 is about 566.8152969218.
The spelling of 182106181 in words is "one hundred eighty-two million, one hundred six thousand, one hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •