Base | Representation |
---|---|
bin | 10100101100001100… |
… | …01001010010001001 |
3 | 1001200010220100210202 |
4 | 22112012021102021 |
5 | 140222140043011 |
6 | 5034125421545 |
7 | 542161346324 |
oct | 122606112211 |
9 | 31603810722 |
10 | 11108127881 |
11 | 4790280984 |
12 | 21a010a8b5 |
13 | 1080455846 |
14 | 7753b97bb |
15 | 4502ec23b |
hex | 296189489 |
11108127881 has 2 divisors, whose sum is σ = 11108127882. Its totient is φ = 11108127880.
The previous prime is 11108127869. The next prime is 11108127893. The reversal of 11108127881 is 18872180111.
It is a balanced prime because it is at equal distance from previous prime (11108127869) and next prime (11108127893).
It can be written as a sum of positive squares in only one way, i.e., 10212921481 + 895206400 = 101059^2 + 29920^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-11108127881 is a prime.
It is a super-2 number, since 2×111081278812 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (11108127281) 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 as a sum of consecutive naturals, namely, 5554063940 + 5554063941.
It is an arithmetic number, because the mean of its divisors is an integer number (5554063941).
Almost surely, 211108127881 is an apocalyptic number.
It is an amenable number.
11108127881 is a deficient number, since it is larger than the sum of its proper divisors (1).
11108127881 is an equidigital number, since it uses as much as digits as its factorization.
11108127881 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7168, while the sum is 38.
The spelling of 11108127881 in words is "eleven billion, one hundred eight million, one hundred twenty-seven thousand, eight hundred eighty-one".
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