Base | Representation |
---|---|
bin | 111010110001110… |
… | …111110010010001 |
3 | 2112201121201100011 |
4 | 322301313302101 |
5 | 4004423331311 |
6 | 241504354521 |
7 | 33303103645 |
oct | 7261676221 |
9 | 2481551304 |
10 | 986152081 |
11 | 466725722 |
12 | 236315a41 |
13 | 1293cc055 |
14 | 94d84c25 |
15 | 5b898321 |
hex | 3ac77c91 |
986152081 has 2 divisors, whose sum is σ = 986152082. Its totient is φ = 986152080.
The previous prime is 986152061. The next prime is 986152091. The reversal of 986152081 is 180251689.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 822542400 + 163609681 = 28680^2 + 12791^2 .
It is a cyclic number.
It is not a de Polignac number, because 986152081 - 27 = 986151953 is a prime.
It is a super-2 number, since 2×9861520812 = 1944991853721261122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (986152061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493076040 + 493076041.
It is an arithmetic number, because the mean of its divisors is an integer number (493076041).
Almost surely, 2986152081 is an apocalyptic number.
It is an amenable number.
986152081 is a deficient number, since it is larger than the sum of its proper divisors (1).
986152081 is an equidigital number, since it uses as much as digits as its factorization.
986152081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 34560, while the sum is 40.
The square root of 986152081 is about 31403.0584656973. The cubic root of 986152081 is about 995.3625543419.
The spelling of 986152081 in words is "nine hundred eighty-six million, one hundred fifty-two thousand, eighty-one".
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