| Base | Representation |
|---|---|
| bin | 1010111110010111000… |
| … | …0100011101001011000 |
| 3 | 200000122120002020221100 |
| 4 | 2233211300203221120 |
| 5 | 11042111301230422 |
| 6 | 222340250111400 |
| 7 | 16423104102633 |
| oct | 2574560435130 |
| 9 | 600576066840 |
| 10 | 188538305112 |
| 11 | 72a5aa5a193 |
| 12 | 3065911b560 |
| 13 | 14a188619b1 |
| 14 | 91a7b8ac1a |
| 15 | 4d870d67ac |
| hex | 2be5c23a58 |
188538305112 has 96 divisors (see below), whose sum is σ = 540836693280. Its totient is φ = 59130086400.
The previous prime is 188538305101. The next prime is 188538305119. The reversal of 188538305112 is 211503835881.
188538305112 is a `hidden beast` number, since 1 + 8 + 8 + 53 + 83 + 0 + 511 + 2 = 666.
188538305112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (188538305119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4017093 + ... + 4063755.
It is an arithmetic number, because the mean of its divisors is an integer number (5633715555).
Almost surely, 2188538305112 is an apocalyptic number.
188538305112 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 188538305112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270418346640).
188538305112 is an abundant number, since it is smaller than the sum of its proper divisors (352298388168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
188538305112 is a wasteful number, since it uses less digits than its factorization.
188538305112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49993 (or 49986 counting only the distinct ones).
The product of its (nonzero) digits is 230400, while the sum is 45.
The spelling of 188538305112 in words is "one hundred eighty-eight billion, five hundred thirty-eight million, three hundred five thousand, one hundred twelve".
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