Base | Representation |
---|---|
bin | 100001001001011… |
… | …0100100010001111 |
3 | 2212111212010202212 |
4 | 1002102310202033 |
5 | 4234212330111 |
6 | 302210541035 |
7 | 36363541103 |
oct | 10222644217 |
9 | 2774763685 |
10 | 1112230031 |
11 | 520908980 |
12 | 27059777b |
13 | 1495735a3 |
14 | a7a03903 |
15 | 6799e98b |
hex | 424b488f |
1112230031 has 4 divisors (see below), whose sum is σ = 1213341864. Its totient is φ = 1011118200.
The previous prime is 1112230013. The next prime is 1112230057. The reversal of 1112230031 is 1300322111.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1300322111 = 11 ⋅118211101.
It is a cyclic number.
It is not a de Polignac number, because 1112230031 - 210 = 1112229007 is a prime.
It is a super-2 number, since 2×11122300312 = 2474111283716521922, 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 = 1112229988 and 1112230015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1112230061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50555900 + ... + 50555921.
It is an arithmetic number, because the mean of its divisors is an integer number (303335466).
Almost surely, 21112230031 is an apocalyptic number.
1112230031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1112230031 is a deficient number, since it is larger than the sum of its proper divisors (101111833).
1112230031 is a wasteful number, since it uses less digits than its factorization.
1112230031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101111832.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 1112230031 is about 33350.1129083546. The cubic root of 1112230031 is about 1036.0917264356.
Adding to 1112230031 its reverse (1300322111), we get a palindrome (2412552142).
The spelling of 1112230031 in words is "one billion, one hundred twelve million, two hundred thirty thousand, thirty-one".
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