Base | Representation |
---|---|
bin | 10110111010011… |
… | …10010010100001 |
3 | 111101200021122220 |
4 | 23131032102201 |
5 | 343201210311 |
6 | 31023421253 |
7 | 4522521150 |
oct | 1335162241 |
9 | 441607586 |
10 | 192210081 |
11 | 99552308 |
12 | 54454829 |
13 | 30a8a69b |
14 | 1b755597 |
15 | 11d1b206 |
hex | b74e4a1 |
192210081 has 16 divisors (see below), whose sum is σ = 296601600. Its totient is φ = 108443088.
The previous prime is 192210077. The next prime is 192210121. The reversal of 192210081 is 180012291.
192210081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 192210081 - 22 = 192210077 is a prime.
It is a super-2 number, since 2×1922100812 = 73889430476053122, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (192210071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56271 + ... + 59588.
It is an arithmetic number, because the mean of its divisors is an integer number (18537600).
Almost surely, 2192210081 is an apocalyptic number.
It is an amenable number.
192210081 is a deficient number, since it is larger than the sum of its proper divisors (104391519).
192210081 is a wasteful number, since it uses less digits than its factorization.
192210081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115948.
The product of its (nonzero) digits is 288, while the sum is 24.
The square root of 192210081 is about 13863.9850331714. The cubic root of 192210081 is about 577.1101606172.
The spelling of 192210081 in words is "one hundred ninety-two million, two hundred ten thousand, eighty-one".
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