Base | Representation |
---|---|
bin | 10110011011011… |
… | …11110011100001 |
3 | 111010001011110202 |
4 | 23031233303201 |
5 | 341131344212 |
6 | 30400434545 |
7 | 4443163121 |
oct | 1315576341 |
9 | 433034422 |
10 | 188153057 |
11 | 972311a4 |
12 | 53018a55 |
13 | 2cc99b91 |
14 | 1adbac81 |
15 | 117b90c2 |
hex | b36fce1 |
188153057 has 2 divisors, whose sum is σ = 188153058. Its totient is φ = 188153056.
The previous prime is 188153051. The next prime is 188153083. The reversal of 188153057 is 750351881.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 127328656 + 60824401 = 11284^2 + 7799^2 .
It is an emirp because it is prime and its reverse (750351881) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 188153057 - 216 = 188087521 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 188153057.
It is not a weakly prime, because it can be changed into another prime (188153051) by changing a digit.
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 as a sum of consecutive naturals, namely, 94076528 + 94076529.
It is an arithmetic number, because the mean of its divisors is an integer number (94076529).
Almost surely, 2188153057 is an apocalyptic number.
It is an amenable number.
188153057 is a deficient number, since it is larger than the sum of its proper divisors (1).
188153057 is an equidigital number, since it uses as much as digits as its factorization.
188153057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 33600, while the sum is 38.
The square root of 188153057 is about 13716.8894797618. The cubic root of 188153057 is about 573.0208523082.
The spelling of 188153057 in words is "one hundred eighty-eight million, one hundred fifty-three thousand, fifty-seven".
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