Base | Representation |
---|---|
bin | 100000001100000… |
… | …1001111010000101 |
3 | 2210021100102210121 |
4 | 1000120021322011 |
5 | 4202444330421 |
6 | 255101421541 |
7 | 35523322246 |
oct | 10030117205 |
9 | 2707312717 |
10 | 1080073861 |
11 | 504745529 |
12 | 26186a8b1 |
13 | 1429c5079 |
14 | a3632ccd |
15 | 64c4bd41 |
hex | 40609e85 |
1080073861 has 2 divisors, whose sum is σ = 1080073862. Its totient is φ = 1080073860.
The previous prime is 1080073849. The next prime is 1080073873. The reversal of 1080073861 is 1683700801.
It is a balanced prime because it is at equal distance from previous prime (1080073849) and next prime (1080073873).
It can be written as a sum of positive squares in only one way, i.e., 964102500 + 115971361 = 31050^2 + 10769^2 .
It is a cyclic number.
It is not a de Polignac number, because 1080073861 - 213 = 1080065669 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1080073831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540036930 + 540036931.
It is an arithmetic number, because the mean of its divisors is an integer number (540036931).
Almost surely, 21080073861 is an apocalyptic number.
It is an amenable number.
1080073861 is a deficient number, since it is larger than the sum of its proper divisors (1).
1080073861 is an equidigital number, since it uses as much as digits as its factorization.
1080073861 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8064, while the sum is 34.
The square root of 1080073861 is about 32864.4771904255. The cubic root of 1080073861 is about 1026.0089564605.
The spelling of 1080073861 in words is "one billion, eighty million, seventy-three thousand, eight hundred sixty-one".
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