Base | Representation |
---|---|
bin | 1001101011111010110000… |
… | …00100010000010011001011 |
3 | 2210102021120222101221111010 |
4 | 10311331120010100103023 |
5 | 10242440322401044321 |
6 | 113145104112135003 |
7 | 4325614213336323 |
oct | 465753004202313 |
9 | 83367528357433 |
10 | 21300220331211 |
11 | 6872411099338 |
12 | 2480160837463 |
13 | bb67a9c33573 |
14 | 538d16b9c283 |
15 | 26e1032ce676 |
hex | 135f581104cb |
21300220331211 has 8 divisors (see below), whose sum is σ = 28742465989440. Its totient is φ = 14029060780232.
The previous prime is 21300220331167. The next prime is 21300220331219. The reversal of 21300220331211 is 11213302200312.
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 21300220331211 - 230 = 21299146589387 is a prime.
It is not an unprimeable number, because it can be changed into a prime (21300220331219) 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, 42771526521 + ... + 42771527018.
It is an arithmetic number, because the mean of its divisors is an integer number (3592808248680).
Almost surely, 221300220331211 is an apocalyptic number.
21300220331211 is a deficient number, since it is larger than the sum of its proper divisors (7442245658229).
21300220331211 is an equidigital number, since it uses as much as digits as its factorization.
21300220331211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85543053625.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 21300220331211 its reverse (11213302200312), we get a palindrome (32513522531523).
The spelling of 21300220331211 in words is "twenty-one trillion, three hundred billion, two hundred twenty million, three hundred thirty-one thousand, two hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •