Base | Representation |
---|---|
bin | 10011101011011110… |
… | …001111001001010011 |
3 | 2000112121122122012000 |
4 | 103223132033021103 |
5 | 321233343110144 |
6 | 13412430405043 |
7 | 1345426534062 |
oct | 235336171123 |
9 | 60477578160 |
10 | 21130441299 |
11 | 8a63646330 |
12 | 4118660783 |
13 | 1cb9956406 |
14 | 10464aa1d9 |
15 | 83a116769 |
hex | 4eb78f253 |
21130441299 has 16 divisors (see below), whose sum is σ = 34150208640. Its totient is φ = 12806327880.
The previous prime is 21130441289. The next prime is 21130441301. The reversal of 21130441299 is 99214403112.
21130441299 is a `hidden beast` number, since 21 + 1 + 304 + 41 + 299 = 666.
It is not a de Polignac number, because 21130441299 - 211 = 21130439251 is a prime.
It is not an unprimeable number, because it can be changed into a prime (21130441219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35572837 + ... + 35573430.
It is an arithmetic number, because the mean of its divisors is an integer number (2134388040).
Almost surely, 221130441299 is an apocalyptic number.
21130441299 is a deficient number, since it is larger than the sum of its proper divisors (13019767341).
21130441299 is a wasteful number, since it uses less digits than its factorization.
21130441299 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71146287 (or 71146281 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The spelling of 21130441299 in words is "twenty-one billion, one hundred thirty million, four hundred forty-one thousand, two hundred ninety-nine".
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