Base | Representation |
---|---|
bin | 111100010000001… |
… | …101000101110001 |
3 | 2121110011001212122 |
4 | 330100031011301 |
5 | 4032241142011 |
6 | 244150404025 |
7 | 34023226403 |
oct | 7420150561 |
9 | 2543131778 |
10 | 1010880881 |
11 | 47968584a |
12 | 242660615 |
13 | 13157998a |
14 | 98380b73 |
15 | 5db303db |
hex | 3c40d171 |
1010880881 has 2 divisors, whose sum is σ = 1010880882. Its totient is φ = 1010880880.
The previous prime is 1010880863. The next prime is 1010880901. The reversal of 1010880881 is 1880880101.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 785400625 + 225480256 = 28025^2 + 15016^2 .
It is a cyclic number.
It is not a de Polignac number, because 1010880881 - 26 = 1010880817 is a prime.
It is a super-2 number, since 2×10108808812 = 2043760311142672322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1010880781) 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, 505440440 + 505440441.
It is an arithmetic number, because the mean of its divisors is an integer number (505440441).
Almost surely, 21010880881 is an apocalyptic number.
It is an amenable number.
1010880881 is a deficient number, since it is larger than the sum of its proper divisors (1).
1010880881 is an equidigital number, since it uses as much as digits as its factorization.
1010880881 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4096, while the sum is 35.
The square root of 1010880881 is about 31794.3529734448. The cubic root of 1010880881 is about 1003.6138844400.
The spelling of 1010880881 in words is "one billion, ten million, eight hundred eighty thousand, eight hundred eighty-one".
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