Base | Representation |
---|---|
bin | 11110100011110111111… |
… | …010000101110110101011 |
3 | 21102202201210202101102101 |
4 | 132203313322011312223 |
5 | 233402002412204011 |
6 | 4244435112514231 |
7 | 304504342005100 |
oct | 36436772056653 |
9 | 7382653671371 |
10 | 2100103241131 |
11 | 73a715591535 |
12 | 29b0203ab977 |
13 | 12306758092c |
14 | 73907506aa7 |
15 | 3996630c2c1 |
hex | 1e8f7e85dab |
2100103241131 has 6 divisors (see below), whose sum is σ = 2442977239740. Its totient is φ = 1800088492356.
The previous prime is 2100103241113. The next prime is 2100103241177. The reversal of 2100103241131 is 1311423010012.
It is not a de Polignac number, because 2100103241131 - 25 = 2100103241099 is a prime.
It is a super-2 number, since 2×21001032411312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2100103241099 and 2100103241108.
It is not an unprimeable number, because it can be changed into a prime (2100103241191) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21429624861 + ... + 21429624958.
It is an arithmetic number, because the mean of its divisors is an integer number (407162873290).
Almost surely, 22100103241131 is an apocalyptic number.
2100103241131 is a deficient number, since it is larger than the sum of its proper divisors (342873998609).
2100103241131 is an equidigital number, since it uses as much as digits as its factorization.
2100103241131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42859249833 (or 42859249826 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 2100103241131 its reverse (1311423010012), we get a palindrome (3411526251143).
The spelling of 2100103241131 in words is "two trillion, one hundred billion, one hundred three million, two hundred forty-one thousand, one hundred thirty-one".
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