| Base | Representation |
|---|---|
| bin | 10101010011101110… |
| … | …10111010100000100 |
| 3 | 1002112020222221000000 |
| 4 | 22221313113110010 |
| 5 | 141412042010013 |
| 6 | 5131054321300 |
| 7 | 553326450216 |
| oct | 125167272404 |
| 9 | 32466887000 |
| 10 | 11439797508 |
| 11 | 4940516207 |
| 12 | 22731b9230 |
| 13 | 1104091569 |
| 14 | 7a74745b6 |
| 15 | 46e4b4973 |
| hex | 2a9dd7504 |
11439797508 has 84 divisors (see below), whose sum is σ = 30582485388. Its totient is φ = 3741266880.
The previous prime is 11439797459. The next prime is 11439797513. The reversal of 11439797508 is 80579793411.
It is a happy number.
11439797508 is a `hidden beast` number, since 1 + 1 + 43 + 9 + 7 + 97 + 508 = 666.
11439797508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 5821995204 + 5617802304 = 76302^2 + 74952^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
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 27 ways as a sum of consecutive naturals, for example, 117538 + ... + 191558.
It is an arithmetic number, because the mean of its divisors is an integer number (364077207).
Almost surely, 211439797508 is an apocalyptic number.
11439797508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11439797508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15291242694).
11439797508 is an abundant number, since it is smaller than the sum of its proper divisors (19142687880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11439797508 is an equidigital number, since it uses as much as digits as its factorization.
11439797508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74096 (or 74079 counting only the distinct ones).
The product of its (nonzero) digits is 1905120, while the sum is 54.
The spelling of 11439797508 in words is "eleven billion, four hundred thirty-nine million, seven hundred ninety-seven thousand, five hundred eight".
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