Base | Representation |
---|---|
bin | 10110011010011… |
… | …00011100010101 |
3 | 111002202210210011 |
4 | 23031030130111 |
5 | 341112230323 |
6 | 30353400221 |
7 | 4442020621 |
oct | 1315143425 |
9 | 432683704 |
10 | 188008213 |
11 | 97142398 |
12 | 52b69071 |
13 | 2cc48c83 |
14 | 1ad80181 |
15 | 1178b20d |
hex | b34c715 |
188008213 has 8 divisors (see below), whose sum is σ = 192628800. Its totient is φ = 183442560.
The previous prime is 188008201. The next prime is 188008217. The reversal of 188008213 is 312800881.
188008213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 188008213 - 25 = 188008181 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (188008217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6763 + ... + 20536.
It is an arithmetic number, because the mean of its divisors is an integer number (24078600).
Almost surely, 2188008213 is an apocalyptic number.
It is an amenable number.
188008213 is a deficient number, since it is larger than the sum of its proper divisors (4620587).
188008213 is an equidigital number, since it uses as much as digits as its factorization.
188008213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27467.
The product of its (nonzero) digits is 3072, while the sum is 31.
The square root of 188008213 is about 13711.6086948250. The cubic root of 188008213 is about 572.8737735757.
The spelling of 188008213 in words is "one hundred eighty-eight million, eight thousand, two hundred thirteen".
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