Base | Representation |
---|---|
bin | 10011100100011110… |
… | …101001111010001101 |
3 | 2000020102212121110122 |
4 | 103210132221322031 |
5 | 321013324013123 |
6 | 13353035514325 |
7 | 1342503330401 |
oct | 234436517215 |
9 | 60212777418 |
10 | 21013110413 |
11 | 8a03397959 |
12 | 40a52b89a5 |
13 | 1c9b555359 |
14 | 1034a87101 |
15 | 82eb8bbc8 |
hex | 4e47a9e8d |
21013110413 has 8 divisors (see below), whose sum is σ = 21210288000. Its totient is φ = 20816490240.
The previous prime is 21013110407. The next prime is 21013110467. The reversal of 21013110413 is 31401131012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 21013110413 - 210 = 21013109389 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 21013110391 and 21013110400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21013410413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63413 + ... + 214586.
It is an arithmetic number, because the mean of its divisors is an integer number (2651286000).
Almost surely, 221013110413 is an apocalyptic number.
It is an amenable number.
21013110413 is a deficient number, since it is larger than the sum of its proper divisors (197177587).
21013110413 is a wasteful number, since it uses less digits than its factorization.
21013110413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278707.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 21013110413 its reverse (31401131012), we get a palindrome (52414241425).
The spelling of 21013110413 in words is "twenty-one billion, thirteen million, one hundred ten thousand, four hundred thirteen".
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