Base | Representation |
---|---|
bin | 111111100000110… |
… | …0000011000111010 |
3 | 12111112001011022122 |
4 | 1333001200120322 |
5 | 13331030214432 |
6 | 551244521242 |
7 | 103545030104 |
oct | 17701403072 |
9 | 5445034278 |
10 | 2131101242 |
11 | 9a3a509a6 |
12 | 4b5850222 |
13 | 27c68a16a |
14 | 163064574 |
15 | c715c612 |
hex | 7f06063a |
2131101242 has 16 divisors (see below), whose sum is σ = 3280305600. Its totient is φ = 1037807232.
The previous prime is 2131101233. The next prime is 2131101263. The reversal of 2131101242 is 2421011312.
It is a self number, because there is not a number n which added to its sum of digits gives 2131101242.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4742 + ... + 65457.
It is an arithmetic number, because the mean of its divisors is an integer number (205019100).
Almost surely, 22131101242 is an apocalyptic number.
2131101242 is a deficient number, since it is larger than the sum of its proper divisors (1149204358).
2131101242 is a wasteful number, since it uses less digits than its factorization.
2131101242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70597.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 2131101242 is about 46163.8521139647. The cubic root of 2131101242 is about 1286.8700518631.
Adding to 2131101242 its reverse (2421011312), we get a palindrome (4552112554).
The spelling of 2131101242 in words is "two billion, one hundred thirty-one million, one hundred one thousand, two hundred forty-two".
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