Base | Representation |
---|---|
bin | 10011110101101100… |
… | …110001000010011101 |
3 | 2000222120111212001221 |
4 | 103311230301002131 |
5 | 322111304203201 |
6 | 13441440133341 |
7 | 1352612126200 |
oct | 236554610235 |
9 | 60876455057 |
10 | 21302022301 |
11 | 904148870a |
12 | 4166007251 |
13 | 2016370231 |
14 | 10611b1937 |
15 | 84a20a4a1 |
hex | 4f5b3109d |
21302022301 has 24 divisors (see below), whose sum is σ = 24991636320. Its totient is φ = 18103226400.
The previous prime is 21302022289. The next prime is 21302022319. The reversal of 21302022301 is 10322020312.
It is not a de Polignac number, because 21302022301 - 229 = 20765151389 is a prime.
It is a super-2 number, since 2×213020223012 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21302022101) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6611871 + ... + 6615091.
It is an arithmetic number, because the mean of its divisors is an integer number (1041318180).
Almost surely, 221302022301 is an apocalyptic number.
It is an amenable number.
21302022301 is a deficient number, since it is larger than the sum of its proper divisors (3689614019).
21302022301 is a wasteful number, since it uses less digits than its factorization.
21302022301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4345 (or 4338 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 21302022301 its reverse (10322020312), we get a palindrome (31624042613).
The spelling of 21302022301 in words is "twenty-one billion, three hundred two million, twenty-two thousand, three hundred one".
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