Base | Representation |
---|---|
bin | 10001101011110100001100… |
… | …11010000110111000111001 |
3 | 12002200202000112100022120000 |
4 | 20311322012122012320321 |
5 | 20044123421023421024 |
6 | 214413150421023213 |
7 | 11122425630323154 |
oct | 1065720632067071 |
9 | 162622015308500 |
10 | 38888888888889 |
11 | 11433759a45926 |
12 | 4440b16254b09 |
13 | 189128b860b40 |
14 | 98633749ac9b |
15 | 4768c8a7ecc9 |
hex | 235e86686e39 |
38888888888889 has 80 divisors (see below), whose sum is σ = 65859182114880. Its totient is φ = 22670531579520.
The previous prime is 38888888888873. The next prime is 38888888888917. The reversal of 38888888888889 is 98888888888883.
38888888888889 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 38888888888889 - 24 = 38888888888873 is a prime.
It is a plaindrome in base 10.
It is not an unprimeable number, because it can be changed into a prime (38888888889889) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 339681634 + ... + 339796100.
It is an arithmetic number, because the mean of its divisors is an integer number (823239776436).
Almost surely, 238888888888889 is an apocalyptic number.
38888888888889 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
It is an amenable number.
38888888888889 is a deficient number, since it is larger than the sum of its proper divisors (26970293225991).
38888888888889 is a wasteful number, since it uses less digits than its factorization.
38888888888889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131492 (or 131483 counting only the distinct ones).
The product of its digits is 1855425871872, while the sum is 108.
The spelling of 38888888888889 in words is "thirty-eight trillion, eight hundred eighty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-nine".
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