Base | Representation |
---|---|
bin | 1010111101101000011… |
… | …0011011011001010000 |
3 | 200000010221001002110212 |
4 | 2233122012123121100 |
5 | 11041211213240023 |
6 | 222305021543252 |
7 | 16415210431202 |
oct | 2573206333120 |
9 | 600127032425 |
10 | 188342711888 |
11 | 7296a6070a1 |
12 | 30603714b28 |
13 | 149b718b466 |
14 | 9189bd4772 |
15 | 4d74d4ce78 |
hex | 2bda19b650 |
188342711888 has 20 divisors (see below), whose sum is σ = 377497246740. Its totient is φ = 90924067584.
The previous prime is 188342711863. The next prime is 188342711939. The reversal of 188342711888 is 888117243881.
188342711888 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 113062717504 + 75279994384 = 336248^2 + 274372^2 .
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 202955045 + ... + 202955972.
It is an arithmetic number, because the mean of its divisors is an integer number (18874862337).
Almost surely, 2188342711888 is an apocalyptic number.
It is an amenable number.
188342711888 is an abundant number, since it is smaller than the sum of its proper divisors (189154534852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
188342711888 is a wasteful number, since it uses less digits than its factorization.
188342711888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 405911054 (or 405911048 counting only the distinct ones).
The product of its digits is 5505024, while the sum is 59.
The spelling of 188342711888 in words is "one hundred eighty-eight billion, three hundred forty-two million, seven hundred eleven thousand, eight hundred eighty-eight".
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