Base | Representation |
---|---|
bin | 111111100000110… |
… | …0000011011110110 |
3 | 12111112001011120121 |
4 | 1333001200123312 |
5 | 13331030221210 |
6 | 551244522154 |
7 | 103545030463 |
oct | 17701403366 |
9 | 5445034517 |
10 | 2131101430 |
11 | 9a3a51057 |
12 | 4b585035a |
13 | 27c68a283 |
14 | 16306466a |
15 | c715c6da |
hex | 7f0606f6 |
2131101430 has 16 divisors (see below), whose sum is σ = 3839330304. Its totient is φ = 851696640.
The previous prime is 2131101397. The next prime is 2131101431. The reversal of 2131101430 is 341011312.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131101431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80886 + ... + 103945.
It is an arithmetic number, because the mean of its divisors is an integer number (239958144).
Almost surely, 22131101430 is an apocalyptic number.
2131101430 is a deficient number, since it is larger than the sum of its proper divisors (1708228874).
2131101430 is a wasteful number, since it uses less digits than its factorization.
2131101430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 185991.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 2131101430 is about 46163.8541501898. The cubic root of 2131101430 is about 1286.8700897045.
Adding to 2131101430 its reverse (341011312), we get a palindrome (2472112742).
The spelling of 2131101430 in words is "two billion, one hundred thirty-one million, one hundred one thousand, four hundred thirty".
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