Base | Representation |
---|---|
bin | 111111100010011… |
… | …1110010011101101 |
3 | 12111120202100012112 |
4 | 1333010332103231 |
5 | 13331243311341 |
6 | 551320213405 |
7 | 103555534145 |
oct | 17704762355 |
9 | 5446670175 |
10 | 2132010221 |
11 | 9a4511920 |
12 | 4b600a265 |
13 | 27c917b13 |
14 | 16321d925 |
15 | c728baeb |
hex | 7f13e4ed |
2132010221 has 4 divisors (see below), whose sum is σ = 2325829344. Its totient is φ = 1938191100.
The previous prime is 2132010191. The next prime is 2132010227. The reversal of 2132010221 is 1220102312.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2132010221 - 226 = 2064901357 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2132010196 and 2132010205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2132010227) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96909545 + ... + 96909566.
It is an arithmetic number, because the mean of its divisors is an integer number (581457336).
Almost surely, 22132010221 is an apocalyptic number.
It is an amenable number.
2132010221 is a deficient number, since it is larger than the sum of its proper divisors (193819123).
2132010221 is a wasteful number, since it uses less digits than its factorization.
2132010221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 193819122.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 2132010221 is about 46173.6962024917. The cubic root of 2132010221 is about 1287.0529888286.
Adding to 2132010221 its reverse (1220102312), we get a palindrome (3352112533).
The spelling of 2132010221 in words is "two billion, one hundred thirty-two million, ten thousand, two hundred twenty-one".
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