Base | Representation |
---|---|
bin | 10011100101100111… |
… | …001001010000110001 |
3 | 2000021202122001101121 |
4 | 103211213021100301 |
5 | 321033210110301 |
6 | 13354555102241 |
7 | 1343124004201 |
oct | 234547112061 |
9 | 60252561347 |
10 | 21032113201 |
11 | 8a13096a40 |
12 | 40ab741981 |
13 | 1ca24798c8 |
14 | 10373d2401 |
15 | 8316923a1 |
hex | 4e59c9431 |
21032113201 has 8 divisors (see below), whose sum is σ = 23320257408. Its totient is φ = 18806658000.
The previous prime is 21032113177. The next prime is 21032113217. The reversal of 21032113201 is 10231123012.
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 21032113201 - 225 = 20998558769 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (21032111201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15671545 + ... + 15672886.
It is an arithmetic number, because the mean of its divisors is an integer number (2915032176).
Almost surely, 221032113201 is an apocalyptic number.
It is an amenable number.
21032113201 is a deficient number, since it is larger than the sum of its proper divisors (2288144207).
21032113201 is a wasteful number, since it uses less digits than its factorization.
21032113201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31344503.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 21032113201 its reverse (10231123012), we get a palindrome (31263236213).
The spelling of 21032113201 in words is "twenty-one billion, thirty-two million, one hundred thirteen thousand, two hundred one".
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