Base | Representation |
---|---|
bin | 10111111101100… |
… | …00110011100101 |
3 | 112000012222012102 |
4 | 23332300303211 |
5 | 402424032323 |
6 | 31540101445 |
7 | 4660330166 |
oct | 1376606345 |
9 | 460188172 |
10 | 201002213 |
11 | a3507a35 |
12 | 57394885 |
13 | 32848529 |
14 | 1c9a376d |
15 | 129a6328 |
hex | bfb0ce5 |
201002213 has 12 divisors (see below), whose sum is σ = 208103940. Its totient is φ = 194123520.
The previous prime is 201002189. The next prime is 201002227. The reversal of 201002213 is 312200102.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 59320804 + 141681409 = 7702^2 + 11903^2 .
It is a de Polignac number, because none of the positive numbers 2k-201002213 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 201002194 and 201002203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201002413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182681 + ... + 183777.
It is an arithmetic number, because the mean of its divisors is an integer number (17341995).
Almost surely, 2201002213 is an apocalyptic number.
It is an amenable number.
201002213 is a deficient number, since it is larger than the sum of its proper divisors (7101727).
201002213 is a wasteful number, since it uses less digits than its factorization.
201002213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1288 (or 1247 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 201002213 is about 14177.5249250354. The cubic root of 201002213 is about 585.7787500476.
Adding to 201002213 its reverse (312200102), we get a palindrome (513202315).
The spelling of 201002213 in words is "two hundred one million, two thousand, two hundred thirteen".
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