Base | Representation |
---|---|
bin | 111110101101100… |
… | …001011000000101 |
3 | 2201022202021002221 |
4 | 332231201120011 |
5 | 4123320324311 |
6 | 252222332341 |
7 | 35033606641 |
oct | 7655413005 |
9 | 2638667087 |
10 | 1052120581 |
11 | 49a992846 |
12 | 25442a0b1 |
13 | 139c88875 |
14 | 9da37c21 |
15 | 62579671 |
hex | 3eb61605 |
1052120581 has 2 divisors, whose sum is σ = 1052120582. Its totient is φ = 1052120580.
The previous prime is 1052120569. The next prime is 1052120591. The reversal of 1052120581 is 1850212501.
1052120581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 774731556 + 277389025 = 27834^2 + 16655^2 .
It is a cyclic number.
It is not a de Polignac number, because 1052120581 - 25 = 1052120549 is a prime.
It is a super-2 number, since 2×10521205812 = 2213915433927555122, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1052120591) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526060290 + 526060291.
It is an arithmetic number, because the mean of its divisors is an integer number (526060291).
Almost surely, 21052120581 is an apocalyptic number.
It is an amenable number.
1052120581 is a deficient number, since it is larger than the sum of its proper divisors (1).
1052120581 is an equidigital number, since it uses as much as digits as its factorization.
1052120581 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 800, while the sum is 25.
The square root of 1052120581 is about 32436.4082629381. The cubic root of 1052120581 is about 1017.0801350516.
The spelling of 1052120581 in words is "one billion, fifty-two million, one hundred twenty thousand, five hundred eighty-one".
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