Base | Representation |
---|---|
bin | 1011101001000011110… |
… | …0010101001100100101 |
3 | 201010020100201101020122 |
4 | 2322100330111030211 |
5 | 11234100024331211 |
6 | 231513455011325 |
7 | 20310122623043 |
oct | 2722074251445 |
9 | 633210641218 |
10 | 200000230181 |
11 | 77901a09134 |
12 | 32917809b45 |
13 | 15b2439cb8b |
14 | 9974141393 |
15 | 53084bc6db |
hex | 2e90f15325 |
200000230181 has 2 divisors, whose sum is σ = 200000230182. Its totient is φ = 200000230180.
The previous prime is 200000230153. The next prime is 200000230217. The reversal of 200000230181 is 181032000002.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 196285327681 + 3714902500 = 443041^2 + 60950^2 .
It is a cyclic number.
It is not a de Polignac number, because 200000230181 - 210 = 200000229157 is a prime.
It is a super-2 number, since 2×2000002301812 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (200000235181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000115090 + 100000115091.
It is an arithmetic number, because the mean of its divisors is an integer number (100000115091).
Almost surely, 2200000230181 is an apocalyptic number.
It is an amenable number.
200000230181 is a deficient number, since it is larger than the sum of its proper divisors (1).
200000230181 is an equidigital number, since it uses as much as digits as its factorization.
200000230181 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 200000230181 its reverse (181032000002), we get a palindrome (381032230183).
The spelling of 200000230181 in words is "two hundred billion, two hundred thirty thousand, one hundred eighty-one".
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