Base | Representation |
---|---|
bin | 111111100001001… |
… | …0101110101000010 |
3 | 12111112110021120121 |
4 | 1333002111311002 |
5 | 13331104221010 |
6 | 551253330454 |
7 | 103546631212 |
oct | 17702256502 |
9 | 5445407517 |
10 | 2131320130 |
11 | 9a40903a5 |
12 | 4b5936a2a |
13 | 27c735994 |
14 | 1630c0242 |
15 | c71a23da |
hex | 7f095d42 |
2131320130 has 16 divisors (see below), whose sum is σ = 3901400640. Its totient is φ = 838078192.
The previous prime is 2131320127. The next prime is 2131320131. The reversal of 2131320130 is 310231312.
It is not an unprimeable number, because it can be changed into a prime (2131320131) 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, 1805614 + ... + 1806793.
It is an arithmetic number, because the mean of its divisors is an integer number (243837540).
Almost surely, 22131320130 is an apocalyptic number.
2131320130 is a deficient number, since it is larger than the sum of its proper divisors (1770080510).
2131320130 is a wasteful number, since it uses less digits than its factorization.
2131320130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3612473.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 2131320130 is about 46166.2228257847. Note that the first 3 decimals coincide. The cubic root of 2131320130 is about 1286.9141090174.
Adding to 2131320130 its reverse (310231312), we get a palindrome (2441551442).
The spelling of 2131320130 in words is "two billion, one hundred thirty-one million, three hundred twenty thousand, one hundred thirty".
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