Base | Representation |
---|---|
bin | 10011110101100101… |
… | …111001010010111111 |
3 | 2000222110010100022111 |
4 | 103311211321102333 |
5 | 322110324033434 |
6 | 13441333354451 |
7 | 1352560615012 |
oct | 236545712277 |
9 | 60873110274 |
10 | 21300221119 |
11 | 9040468431 |
12 | 4165498a27 |
13 | 2015b8c448 |
14 | 1060c63379 |
15 | 849ea1964 |
hex | 4f59794bf |
21300221119 has 4 divisors (see below), whose sum is σ = 21300599296. Its totient is φ = 21299842944.
The previous prime is 21300221101. The next prime is 21300221141. The reversal of 21300221119 is 91112200312.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 21300221119 - 29 = 21300220607 is a prime.
It is a super-2 number, since 2×213002211192 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 21300221119.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21300231119) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85794 + ... + 223519.
It is an arithmetic number, because the mean of its divisors is an integer number (5325149824).
Almost surely, 221300221119 is an apocalyptic number.
21300221119 is a deficient number, since it is larger than the sum of its proper divisors (378177).
21300221119 is an equidigital number, since it uses as much as digits as its factorization.
21300221119 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 378176.
The product of its (nonzero) digits is 216, while the sum is 22.
The spelling of 21300221119 in words is "twenty-one billion, three hundred million, two hundred twenty-one thousand, one hundred nineteen".
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