Base | Representation |
---|---|
bin | 100001000101110… |
… | …0000010001010101 |
3 | 2212101020200202110 |
4 | 1002023200101111 |
5 | 4233214441041 |
6 | 302101501233 |
7 | 36341332200 |
oct | 10213402125 |
9 | 2771220673 |
10 | 1110312021 |
11 | 51a818945 |
12 | 26ba11819 |
13 | 149051580 |
14 | a7664937 |
15 | 67721516 |
hex | 422e0455 |
1110312021 has 96 divisors (see below), whose sum is σ = 1956261888. Its totient is φ = 554480640.
The previous prime is 1110312011. The next prime is 1110312037. The reversal of 1110312021 is 1202130111.
It is not a de Polignac number, because 1110312021 - 25 = 1110311989 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1110311988 and 1110312006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1110312011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2898796 + ... + 2899178.
It is an arithmetic number, because the mean of its divisors is an integer number (20377728).
Almost surely, 21110312021 is an apocalyptic number.
It is an amenable number.
1110312021 is a deficient number, since it is larger than the sum of its proper divisors (845949867).
1110312021 is a wasteful number, since it uses less digits than its factorization.
1110312021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 491 (or 484 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 12.
The square root of 1110312021 is about 33321.3448258020. The cubic root of 1110312021 is about 1035.4958132274.
Adding to 1110312021 its reverse (1202130111), we get a palindrome (2312442132).
The spelling of 1110312021 in words is "one billion, one hundred ten million, three hundred twelve thousand, twenty-one".
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