Base | Representation |
---|---|
bin | 111110101001010… |
… | …0000111010100101 |
3 | 12102111021221100100 |
4 | 1331102200322211 |
5 | 13301103133123 |
6 | 544325134313 |
7 | 103042515444 |
oct | 17522407245 |
9 | 5374257310 |
10 | 2102005413 |
11 | 989588862 |
12 | 4a7b5a399 |
13 | 2766408b1 |
14 | 15d24cd5b |
15 | c4811643 |
hex | 7d4a0ea5 |
2102005413 has 12 divisors (see below), whose sum is σ = 3053194560. Its totient is φ = 1393507176.
The previous prime is 2102005403. The next prime is 2102005417. The reversal of 2102005413 is 3145002012.
It is not a de Polignac number, because 2102005413 - 228 = 1833569957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102005417) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 650781 + ... + 654002.
It is an arithmetic number, because the mean of its divisors is an integer number (254432880).
Almost surely, 22102005413 is an apocalyptic number.
It is an amenable number.
2102005413 is a deficient number, since it is larger than the sum of its proper divisors (951189147).
2102005413 is a wasteful number, since it uses less digits than its factorization.
2102005413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1304968 (or 1304965 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 2102005413 is about 45847.6325779205. The cubic root of 2102005413 is about 1280.9866686486.
Adding to 2102005413 its reverse (3145002012), we get a palindrome (5247007425).
The spelling of 2102005413 in words is "two billion, one hundred two million, five thousand, four hundred thirteen".
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