Base | Representation |
---|---|
bin | 111101011101011… |
… | …010110010110101 |
3 | 2122212020102121110 |
4 | 331131122302311 |
5 | 4102431401401 |
6 | 250152305233 |
7 | 34360251612 |
oct | 7535326265 |
9 | 2585212543 |
10 | 1031122101 |
11 | 48a050329 |
12 | 2493a2219 |
13 | 135815b29 |
14 | 9ad2d509 |
15 | 607cc9d6 |
hex | 3d75acb5 |
1031122101 has 16 divisors (see below), whose sum is σ = 1398700160. Its totient is φ = 675501120.
The previous prime is 1031122061. The next prime is 1031122111. The reversal of 1031122101 is 1012211301.
It is not a de Polignac number, because 1031122101 - 221 = 1029024949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031122111) 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 15 ways as a sum of consecutive naturals, for example, 259536 + ... + 263478.
It is an arithmetic number, because the mean of its divisors is an integer number (87418760).
Almost surely, 21031122101 is an apocalyptic number.
It is an amenable number.
1031122101 is a deficient number, since it is larger than the sum of its proper divisors (367578059).
1031122101 is a wasteful number, since it uses less digits than its factorization.
1031122101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5436.
The product of its (nonzero) digits is 12, while the sum is 12.
The square root of 1031122101 is about 32111.0900001853. The cubic root of 1031122101 is about 1010.2682361110.
Adding to 1031122101 its reverse (1012211301), we get a palindrome (2043333402).
The spelling of 1031122101 in words is "one billion, thirty-one million, one hundred twenty-two thousand, one hundred one".
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