Base | Representation |
---|---|
bin | 10000011111110… |
… | …11110111101000 |
3 | 100122102012101220 |
4 | 20033323313220 |
5 | 240412120422 |
6 | 21422142040 |
7 | 3300224202 |
oct | 1017736750 |
9 | 318365356 |
10 | 138395112 |
11 | 71136329 |
12 | 3a421920 |
13 | 228979cb |
14 | 14547772 |
15 | c23ae5c |
hex | 83fbde8 |
138395112 has 16 divisors (see below), whose sum is σ = 345987840. Its totient is φ = 46131696.
The previous prime is 138395099. The next prime is 138395177. The reversal of 138395112 is 211593831.
138395112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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 3 ways as a sum of consecutive naturals, for example, 2883208 + ... + 2883255.
It is an arithmetic number, because the mean of its divisors is an integer number (21624240).
Almost surely, 2138395112 is an apocalyptic number.
138395112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
138395112 is an abundant number, since it is smaller than the sum of its proper divisors (207592728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138395112 is a wasteful number, since it uses less digits than its factorization.
138395112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5766472 (or 5766468 counting only the distinct ones).
The product of its digits is 6480, while the sum is 33.
The square root of 138395112 is about 11764.1451878154. The cubic root of 138395112 is about 517.2576437577.
The spelling of 138395112 in words is "one hundred thirty-eight million, three hundred ninety-five thousand, one hundred twelve".
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