Base | Representation |
---|---|
bin | 111111011111101… |
… | …0101010100011011 |
3 | 12111110222012221012 |
4 | 1332333111110123 |
5 | 13330404002421 |
6 | 551224404135 |
7 | 103540135265 |
oct | 17677252433 |
9 | 5443865835 |
10 | 2130531611 |
11 | 9a36a1a2a |
12 | 4b561664b |
13 | 27c51aac0 |
14 | 162d56b35 |
15 | c709895b |
hex | 7efd551b |
2130531611 has 8 divisors (see below), whose sum is σ = 2305951200. Its totient is φ = 1956759552.
The previous prime is 2130531589. The next prime is 2130531629. The reversal of 2130531611 is 1161350312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2130531611 - 222 = 2126337307 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2130531671) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409190 + ... + 414363.
It is an arithmetic number, because the mean of its divisors is an integer number (288243900).
Almost surely, 22130531611 is an apocalyptic number.
2130531611 is a deficient number, since it is larger than the sum of its proper divisors (175419589).
2130531611 is a wasteful number, since it uses less digits than its factorization.
2130531611 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 823765.
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 2130531611 is about 46157.6820366881. The cubic root of 2130531611 is about 1286.7553840125.
Adding to 2130531611 its reverse (1161350312), we get a palindrome (3291881923).
The spelling of 2130531611 in words is "two billion, one hundred thirty million, five hundred thirty-one thousand, six hundred eleven".
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