Base | Representation |
---|---|
bin | 111111010000001… |
… | …1111000100111001 |
3 | 12110220202101100021 |
4 | 1332200133010321 |
5 | 13321321220423 |
6 | 550335210441 |
7 | 103411325425 |
oct | 17640370471 |
9 | 5426671307 |
10 | 2122445113 |
11 | 99a079478 |
12 | 4b2976a21 |
13 | 27a9491a9 |
14 | 161c4db85 |
15 | c64ec95d |
hex | 7e81f139 |
2122445113 has 4 divisors (see below), whose sum is σ = 2122849168. Its totient is φ = 2122041060.
The previous prime is 2122445107. The next prime is 2122445147. The reversal of 2122445113 is 3115442212.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2122445113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2122445183) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194043 + ... + 204688.
It is an arithmetic number, because the mean of its divisors is an integer number (530712292).
Almost surely, 22122445113 is an apocalyptic number.
It is an amenable number.
2122445113 is a deficient number, since it is larger than the sum of its proper divisors (404055).
2122445113 is an equidigital number, since it uses as much as digits as its factorization.
2122445113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 404054.
The product of its digits is 1920, while the sum is 25.
The square root of 2122445113 is about 46070.0023116995. The cubic root of 2122445113 is about 1285.1253468241.
Adding to 2122445113 its reverse (3115442212), we get a palindrome (5237887325).
The spelling of 2122445113 in words is "two billion, one hundred twenty-two million, four hundred forty-five thousand, one hundred thirteen".
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