Base | Representation |
---|---|
bin | 10011100100110… |
… | …10110111101001 |
3 | 102102222211210101 |
4 | 21302122313221 |
5 | 314014242301 |
6 | 24143345401 |
7 | 4032531526 |
oct | 1162326751 |
9 | 372884711 |
10 | 164212201 |
11 | 8476a06a |
12 | 46bb2261 |
13 | 28036aaa |
14 | 17b4814d |
15 | e63a701 |
hex | 9c9ade9 |
164212201 has 2 divisors, whose sum is σ = 164212202. Its totient is φ = 164212200.
The previous prime is 164212187. The next prime is 164212207. The reversal of 164212201 is 102212461.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 146773225 + 17438976 = 12115^2 + 4176^2 .
It is a cyclic number.
It is not a de Polignac number, because 164212201 - 29 = 164211689 is a prime.
It is not a weakly prime, because it can be changed into another prime (164212207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82106100 + 82106101.
It is an arithmetic number, because the mean of its divisors is an integer number (82106101).
Almost surely, 2164212201 is an apocalyptic number.
It is an amenable number.
164212201 is a deficient number, since it is larger than the sum of its proper divisors (1).
164212201 is an equidigital number, since it uses as much as digits as its factorization.
164212201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 164212201 is about 12814.5308536833. The cubic root of 164212201 is about 547.6063481270.
Adding to 164212201 its reverse (102212461), we get a palindrome (266424662).
The spelling of 164212201 in words is "one hundred sixty-four million, two hundred twelve thousand, two hundred one".
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