Base | Representation |
---|---|
bin | 111110111100100… |
… | …1100010000011101 |
3 | 12110012101001102212 |
4 | 1331321030100131 |
5 | 13311202110123 |
6 | 545330330205 |
7 | 103224634301 |
oct | 17571142035 |
9 | 5405331385 |
10 | 2112144413 |
11 | 9942833a5 |
12 | 4ab429965 |
13 | 2787807c2 |
14 | 16072bd01 |
15 | c5665878 |
hex | 7de4c41d |
2112144413 has 8 divisors (see below), whose sum is σ = 2237409720. Its totient is φ = 1986992640.
The previous prime is 2112144403. The next prime is 2112144439. The reversal of 2112144413 is 3144412112.
It can be written as a sum of positive squares in 4 ways, for example, as 908540164 + 1203604249 = 30142^2 + 34693^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2112144413 - 210 = 2112143389 is a prime.
It is a super-2 number, since 2×21121444132 = 8922308042734229138, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112144403) 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 7 ways as a sum of consecutive naturals, for example, 11543 + ... + 66011.
It is an arithmetic number, because the mean of its divisors is an integer number (279676215).
Almost surely, 22112144413 is an apocalyptic number.
It is an amenable number.
2112144413 is a deficient number, since it is larger than the sum of its proper divisors (125265307).
2112144413 is a wasteful number, since it uses less digits than its factorization.
2112144413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56767.
The product of its digits is 768, while the sum is 23.
The square root of 2112144413 is about 45958.0723377297. The cubic root of 2112144413 is about 1283.0429743656.
Adding to 2112144413 its reverse (3144412112), we get a palindrome (5256556525).
The spelling of 2112144413 in words is "two billion, one hundred twelve million, one hundred forty-four thousand, four hundred thirteen".
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