Base | Representation |
---|---|
bin | 100001011010100… |
… | …1001110111011101 |
3 | 2220010210101211012 |
4 | 1002311021313131 |
5 | 4244013332201 |
6 | 303131505005 |
7 | 36533205002 |
oct | 10265116735 |
9 | 2803711735 |
10 | 1121230301 |
11 | 5259a5a14 |
12 | 2735b8165 |
13 | 14b3a50a9 |
14 | a8ca78a9 |
15 | 6867b5bb |
hex | 42d49ddd |
1121230301 has 4 divisors (see below), whose sum is σ = 1121416032. Its totient is φ = 1121044572.
The previous prime is 1121230273. The next prime is 1121230339. The reversal of 1121230301 is 1030321211.
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: 1030321211 = 14897 ⋅69163.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1121230301 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1121230001) 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 3 ways as a sum of consecutive naturals, for example, 83495 + ... + 95988.
It is an arithmetic number, because the mean of its divisors is an integer number (280354008).
Almost surely, 21121230301 is an apocalyptic number.
It is an amenable number.
1121230301 is a deficient number, since it is larger than the sum of its proper divisors (185731).
1121230301 is an equidigital number, since it uses as much as digits as its factorization.
1121230301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 185730.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 1121230301 is about 33484.7771532080. Note that the first 3 decimals coincide. The cubic root of 1121230301 is about 1038.8789389985.
Adding to 1121230301 its reverse (1030321211), we get a palindrome (2151551512).
The spelling of 1121230301 in words is "one billion, one hundred twenty-one million, two hundred thirty thousand, three hundred one".
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