Base | Representation |
---|---|
bin | 100111101000111… |
… | …1110011000010101 |
3 | 10102200211200200012 |
4 | 1033101332120111 |
5 | 10211002041041 |
6 | 335552530005 |
7 | 44650523420 |
oct | 11721763025 |
9 | 3380750605 |
10 | 1330112021 |
11 | 6228a4937 |
12 | 311550905 |
13 | 18274bc44 |
14 | c891c9b7 |
15 | 7bb8c3eb |
hex | 4f47e615 |
1330112021 has 8 divisors (see below), whose sum is σ = 1532098560. Its totient is φ = 1131118128.
The previous prime is 1330111997. The next prime is 1330112041. The reversal of 1330112021 is 1202110331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1330112021 - 26 = 1330111957 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1330111987 and 1330112005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1330112041) 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, 747206 + ... + 748983.
It is an arithmetic number, because the mean of its divisors is an integer number (191512320).
Almost surely, 21330112021 is an apocalyptic number.
It is an amenable number.
1330112021 is a deficient number, since it is larger than the sum of its proper divisors (201986539).
1330112021 is a wasteful number, since it uses less digits than its factorization.
1330112021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1496323.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 1330112021 is about 36470.7008569893. The cubic root of 1330112021 is about 1099.7553232657.
Adding to 1330112021 its reverse (1202110331), we get a palindrome (2532222352).
The spelling of 1330112021 in words is "one billion, three hundred thirty million, one hundred twelve thousand, twenty-one".
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