Base | Representation |
---|---|
bin | 111110101011011… |
… | …0010000101010111 |
3 | 12102120101210012000 |
4 | 1331112302011113 |
5 | 13301344434221 |
6 | 544405130343 |
7 | 103055155521 |
oct | 17526620527 |
9 | 5376353160 |
10 | 2103124311 |
11 | 98a182472 |
12 | 4a83b99b3 |
13 | 276942c72 |
14 | 15d460a11 |
15 | c4982e26 |
hex | 7d5b2157 |
2103124311 has 16 divisors (see below), whose sum is σ = 3125706720. Its totient is φ = 1397597760.
The previous prime is 2103124279. The next prime is 2103124357. The reversal of 2103124311 is 1134213012.
It is not a de Polignac number, because 2103124311 - 25 = 2103124279 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2103124391) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115980 + ... + 132881.
It is an arithmetic number, because the mean of its divisors is an integer number (195356670).
Almost surely, 22103124311 is an apocalyptic number.
2103124311 is a deficient number, since it is larger than the sum of its proper divisors (1022582409).
2103124311 is a wasteful number, since it uses less digits than its factorization.
2103124311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249183 (or 249177 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 2103124311 is about 45859.8333075906. The cubic root of 2103124311 is about 1281.2139181717.
Adding to 2103124311 its reverse (1134213012), we get a palindrome (3237337323).
The spelling of 2103124311 in words is "two billion, one hundred three million, one hundred twenty-four thousand, three hundred eleven".
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