Base | Representation |
---|---|
bin | 10110100101110… |
… | …11101000001001 |
3 | 111012121012212102 |
4 | 23102323220021 |
5 | 342003342301 |
6 | 30445523145 |
7 | 4460553464 |
oct | 1322735011 |
9 | 435535772 |
10 | 189512201 |
11 | 97a7a35a |
12 | 535734b5 |
13 | 303546c8 |
14 | 1b2522db |
15 | 11986b6b |
hex | b4bba09 |
189512201 has 2 divisors, whose sum is σ = 189512202. Its totient is φ = 189512200.
The previous prime is 189512173. The next prime is 189512221. The reversal of 189512201 is 102215981.
189512201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 187662601 + 1849600 = 13699^2 + 1360^2 .
It is a cyclic number.
It is not a de Polignac number, because 189512201 - 218 = 189250057 is a prime.
It is not a weakly prime, because it can be changed into another prime (189512221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94756100 + 94756101.
It is an arithmetic number, because the mean of its divisors is an integer number (94756101).
Almost surely, 2189512201 is an apocalyptic number.
It is an amenable number.
189512201 is a deficient number, since it is larger than the sum of its proper divisors (1).
189512201 is an equidigital number, since it uses as much as digits as its factorization.
189512201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1440, while the sum is 29.
The square root of 189512201 is about 13766.3430510793. The cubic root of 189512201 is about 574.3973027075.
The spelling of 189512201 in words is "one hundred eighty-nine million, five hundred twelve thousand, two hundred one".
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