Base | Representation |
---|---|
bin | 100001101011011… |
… | …0001111001011101 |
3 | 2220202101020100022 |
4 | 1003112301321131 |
5 | 4303242420041 |
6 | 304044441525 |
7 | 40001136620 |
oct | 10326617135 |
9 | 2822336308 |
10 | 1130045021 |
11 | 52a976606 |
12 | 2765492a5 |
13 | 1501702c1 |
14 | aa11ddb7 |
15 | 6931d24b |
hex | 435b1e5d |
1130045021 has 8 divisors (see below), whose sum is σ = 1291711680. Its totient is φ = 968436288.
The previous prime is 1130045003. The next prime is 1130045041. The reversal of 1130045021 is 1205400311.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1130045021 - 214 = 1130028637 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1130045041) 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, 42050 + ... + 63468.
It is an arithmetic number, because the mean of its divisors is an integer number (161463960).
Almost surely, 21130045021 is an apocalyptic number.
It is an amenable number.
1130045021 is a deficient number, since it is larger than the sum of its proper divisors (161666659).
1130045021 is an equidigital number, since it uses as much as digits as its factorization.
1130045021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28963.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 1130045021 is about 33616.1422682615. The cubic root of 1130045021 is about 1041.5942698641.
Adding to 1130045021 its reverse (1205400311), we get a palindrome (2335445332).
The spelling of 1130045021 in words is "one billion, one hundred thirty million, forty-five thousand, twenty-one".
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