Base | Representation |
---|---|
bin | 111110111011001… |
… | …1011101010111001 |
3 | 12110011000022020222 |
4 | 1331312123222321 |
5 | 13311010433423 |
6 | 545303025425 |
7 | 103215532454 |
oct | 17566335271 |
9 | 5404008228 |
10 | 2111421113 |
11 | 993929a2a |
12 | 4ab13b275 |
13 | 278589509 |
14 | 1605c049b |
15 | c55713c8 |
hex | 7dd9bab9 |
2111421113 has 8 divisors (see below), whose sum is σ = 2225733120. Its totient is φ = 1997427600.
The previous prime is 2111421083. The next prime is 2111421127. The reversal of 2111421113 is 3111241112.
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 2111421113 - 218 = 2111158969 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2111421091 and 2111421100.
It is not an unprimeable number, because it can be changed into a prime (2111421133) 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, 65945 + ... + 92582.
It is an arithmetic number, because the mean of its divisors is an integer number (278216640).
Almost surely, 22111421113 is an apocalyptic number.
It is an amenable number.
2111421113 is a deficient number, since it is larger than the sum of its proper divisors (114312007).
2111421113 is a wasteful number, since it uses less digits than its factorization.
2111421113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 159247.
The product of its digits is 48, while the sum is 17.
The square root of 2111421113 is about 45950.2025349182. The cubic root of 2111421113 is about 1282.8964990692.
Adding to 2111421113 its reverse (3111241112), we get a palindrome (5222662225).
The spelling of 2111421113 in words is "two billion, one hundred eleven million, four hundred twenty-one thousand, one hundred thirteen".
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