Base | Representation |
---|---|
bin | 10011110101101100… |
… | …110001010000100001 |
3 | 2000222120111220022021 |
4 | 103311230301100201 |
5 | 322111304220301 |
6 | 13441440141441 |
7 | 1352612131624 |
oct | 236554612041 |
9 | 60876456267 |
10 | 21302023201 |
11 | 9041489358 |
12 | 4166007881 |
13 | 2016370774 |
14 | 10611b1dbb |
15 | 84a20a8a1 |
hex | 4f5b31421 |
21302023201 has 8 divisors (see below), whose sum is σ = 21607693344. Its totient is φ = 20996727840.
The previous prime is 21302023199. The next prime is 21302023279. The reversal of 21302023201 is 10232020312.
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 21302023201 - 21 = 21302023199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (21302723201) 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, 21810 + ... + 207556.
It is an arithmetic number, because the mean of its divisors is an integer number (2700961668).
Almost surely, 221302023201 is an apocalyptic number.
It is an amenable number.
21302023201 is a deficient number, since it is larger than the sum of its proper divisors (305670143).
21302023201 is a wasteful number, since it uses less digits than its factorization.
21302023201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187391.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 21302023201 its reverse (10232020312), we get a palindrome (31534043513).
The spelling of 21302023201 in words is "twenty-one billion, three hundred two million, twenty-three thousand, two hundred one".
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