Base | Representation |
---|---|
bin | 100001011000011… |
… | …0110001101111101 |
3 | 2220001200001001022 |
4 | 1002300312031331 |
5 | 4243221214440 |
6 | 303051353525 |
7 | 36520463204 |
oct | 10260661575 |
9 | 2801601038 |
10 | 1120101245 |
11 | 5252a470a |
12 | 2731528a5 |
13 | 14b09b203 |
14 | a8a9223b |
15 | 68506cb5 |
hex | 42c3637d |
1120101245 has 4 divisors (see below), whose sum is σ = 1344121500. Its totient is φ = 896080992.
The previous prime is 1120101217. The next prime is 1120101247. The reversal of 1120101245 is 5421010211.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 145974724 + 974126521 = 12082^2 + 31211^2 .
It is a cyclic number.
It is not a de Polignac number, because 1120101245 - 212 = 1120097149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1120101247) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112010120 + ... + 112010129.
It is an arithmetic number, because the mean of its divisors is an integer number (336030375).
Almost surely, 21120101245 is an apocalyptic number.
It is an amenable number.
1120101245 is a deficient number, since it is larger than the sum of its proper divisors (224020255).
1120101245 is an equidigital number, since it uses as much as digits as its factorization.
1120101245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224020254.
The product of its (nonzero) digits is 80, while the sum is 17.
The square root of 1120101245 is about 33467.9136636869. The cubic root of 1120101245 is about 1038.5301119312.
Adding to 1120101245 its reverse (5421010211), we get a palindrome (6541111456).
The spelling of 1120101245 in words is "one billion, one hundred twenty million, one hundred one thousand, two hundred forty-five".
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