Base | Representation |
---|---|
bin | 1011010010011010… |
… | …0111011111101001 |
3 | 21211011112001221112 |
4 | 2310212213133221 |
5 | 22201141201441 |
6 | 1220355520105 |
7 | 135041522510 |
oct | 26446473751 |
9 | 7734461845 |
10 | 3030022121 |
11 | 1315406515 |
12 | 7068b9035 |
13 | 3939965c9 |
14 | 20a5bd677 |
15 | 12b0244eb |
hex | b49a77e9 |
3030022121 has 4 divisors (see below), whose sum is σ = 3462882432. Its totient is φ = 2597161812.
The previous prime is 3030022117. The next prime is 3030022123. The reversal of 3030022121 is 1212200303.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1212200303 = 23 ⋅52704361.
It is not a de Polignac number, because 3030022121 - 22 = 3030022117 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3030022096 and 3030022105.
It is not an unprimeable number, because it can be changed into a prime (3030022123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216430145 + ... + 216430158.
It is an arithmetic number, because the mean of its divisors is an integer number (865720608).
Almost surely, 23030022121 is an apocalyptic number.
It is an amenable number.
3030022121 is a deficient number, since it is larger than the sum of its proper divisors (432860311).
3030022121 is an equidigital number, since it uses as much as digits as its factorization.
3030022121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 432860310.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 3030022121 is about 55045.6367117322. The cubic root of 3030022121 is about 1447.0446537617.
Adding to 3030022121 its reverse (1212200303), we get a palindrome (4242222424).
The spelling of 3030022121 in words is "three billion, thirty million, twenty-two thousand, one hundred twenty-one".
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