Base | Representation |
---|---|
bin | 11001000011000… |
… | …01101101010101 |
3 | 112122100222011100 |
4 | 30201201231111 |
5 | 412242143123 |
6 | 32503300313 |
7 | 5130644244 |
oct | 1441415525 |
9 | 478328140 |
10 | 210115413 |
11 | a8671902 |
12 | 5a44a699 |
13 | 346b9561 |
14 | 1dc9695b |
15 | 136a6643 |
hex | c861b55 |
210115413 has 12 divisors (see below), whose sum is σ = 307157760. Its totient is φ = 138388776.
The previous prime is 210115397. The next prime is 210115421. The reversal of 210115413 is 314511012.
It is not a de Polignac number, because 210115413 - 24 = 210115397 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210115453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139893 + ... + 141386.
It is an arithmetic number, because the mean of its divisors is an integer number (25596480).
Almost surely, 2210115413 is an apocalyptic number.
It is an amenable number.
210115413 is a deficient number, since it is larger than the sum of its proper divisors (97042347).
210115413 is a wasteful number, since it uses less digits than its factorization.
210115413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 281368 (or 281365 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 210115413 is about 14495.3583260298. The cubic root of 210115413 is about 594.5010651540.
Adding to 210115413 its reverse (314511012), we get a palindrome (524626425).
The spelling of 210115413 in words is "two hundred ten million, one hundred fifteen thousand, four hundred thirteen".
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