Base | Representation |
---|---|
bin | 111110111100010… |
… | …1111101111101111 |
3 | 12110012011010020121 |
4 | 1331320233233233 |
5 | 13311134341011 |
6 | 545324025411 |
7 | 103223636650 |
oct | 17570575757 |
9 | 5405133217 |
10 | 2112027631 |
11 | 99420368a |
12 | 4ab392267 |
13 | 27873c5bc |
14 | 1606db527 |
15 | c5640e71 |
hex | 7de2fbef |
2112027631 has 16 divisors (see below), whose sum is σ = 2628403200. Its totient is φ = 1655887968.
The previous prime is 2112027607. The next prime is 2112027637. The reversal of 2112027631 is 1367202112.
It is a happy number.
It is not a de Polignac number, because 2112027631 - 213 = 2112019439 is a prime.
It is a super-2 number, since 2×21120276312 = 8921321428214944322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2112027596 and 2112027605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112027637) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269935 + ... + 277648.
It is an arithmetic number, because the mean of its divisors is an integer number (164275200).
Almost surely, 22112027631 is an apocalyptic number.
2112027631 is a deficient number, since it is larger than the sum of its proper divisors (516375569).
2112027631 is a wasteful number, since it uses less digits than its factorization.
2112027631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 547638.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 2112027631 is about 45956.8017925530. The cubic root of 2112027631 is about 1283.0193271369.
Adding to 2112027631 its reverse (1367202112), we get a palindrome (3479229743).
The spelling of 2112027631 in words is "two billion, one hundred twelve million, twenty-seven thousand, six hundred thirty-one".
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