Base | Representation |
---|---|
bin | 10100001111000011… |
… | …01011110010110001 |
3 | 1001001002221120112110 |
4 | 22013201223302301 |
5 | 134222101021011 |
6 | 4553554315533 |
7 | 533132555223 |
oct | 120741536261 |
9 | 31032846473 |
10 | 10863688881 |
11 | 46752a6281 |
12 | 2132288ba9 |
13 | 104190c396 |
14 | 750b4a413 |
15 | 438b15ba6 |
hex | 28786bcb1 |
10863688881 has 40 divisors (see below), whose sum is σ = 15723772544. Its totient is φ = 6666948000.
The previous prime is 10863688867. The next prime is 10863688889. The reversal of 10863688881 is 18888636801.
10863688881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 10863688881 - 26 = 10863688817 is a prime.
It is a super-2 number, since 2×108636888812 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is not an unprimeable number, because it can be changed into a prime (10863688889) 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 in 39 ways as a sum of consecutive naturals, for example, 14465256 + ... + 14466006.
Almost surely, 210863688881 is an apocalyptic number.
It is an amenable number.
10863688881 is a deficient number, since it is larger than the sum of its proper divisors (4860083663).
10863688881 is an frugal number, since it uses more digits than its factorization.
10863688881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 867 (or 810 counting only the distinct ones).
The product of its (nonzero) digits is 3538944, while the sum is 57.
The spelling of 10863688881 in words is "ten billion, eight hundred sixty-three million, six hundred eighty-eight thousand, eight hundred eighty-one".
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