| Base | Representation |
|---|---|
| bin | 10110011011110… |
| … | …10001110000000 |
| 3 | 111010010022222120 |
| 4 | 23031322032000 |
| 5 | 341134230322 |
| 6 | 30401404240 |
| 7 | 4443431355 |
| oct | 1315721600 |
| 9 | 433108876 |
| 10 | 188195712 |
| 11 | 97260251 |
| 12 | 53039680 |
| 13 | 2ccb3413 |
| 14 | 1adcc62c |
| 15 | 117c6a5c |
| hex | b37a380 |
188195712 has 128 divisors (see below), whose sum is σ = 535818240. Its totient is φ = 58318848.
The previous prime is 188195669. The next prime is 188195723. The reversal of 188195712 is 217591881.
188195712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (128).
It is a congruent number.
It is an unprimeable number.
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 in 15 ways as a sum of consecutive naturals, for example, 828943 + ... + 829169.
It is an arithmetic number, because the mean of its divisors is an integer number (4186080).
Almost surely, 2188195712 is an apocalyptic number.
188195712 is a gapful number since it is divisible by the number (12) 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 188195712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267909120).
188195712 is an abundant number, since it is smaller than the sum of its proper divisors (347622528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
188195712 is a wasteful number, since it uses less digits than its factorization.
188195712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 388 (or 376 counting only the distinct ones).
The product of its digits is 40320, while the sum is 42.
The square root of 188195712 is about 13718.4442266607. Note that the first 3 decimals coincide. The cubic root of 188195712 is about 573.0641510248.
It can be divided in two parts, 18819 and 5712, that added together give a triangular number (24531 = T221).
The spelling of 188195712 in words is "one hundred eighty-eight million, one hundred ninety-five thousand, seven hundred twelve".
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