Base | Representation |
---|---|
bin | 111111001101101… |
… | …1001001001110010 |
3 | 12110211020120002110 |
4 | 1332123121021302 |
5 | 13321001011010 |
6 | 550250430150 |
7 | 103364065356 |
oct | 17633311162 |
9 | 5424216073 |
10 | 2121110130 |
11 | 999347487 |
12 | 4b2432356 |
13 | 27a59c669 |
14 | 1619c3466 |
15 | c6337120 |
hex | 7e6d9272 |
2121110130 has 32 divisors (see below), whose sum is σ = 5091936768. Its totient is φ = 565488000.
The previous prime is 2121110129. The next prime is 2121110183. The reversal of 2121110130 is 310111212.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177855 + ... + 189405.
It is an arithmetic number, because the mean of its divisors is an integer number (159123024).
Almost surely, 22121110130 is an apocalyptic number.
2121110130 is an abundant number, since it is smaller than the sum of its proper divisors (2970826638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2121110130 is a wasteful number, since it uses less digits than its factorization.
2121110130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17682.
The product of its (nonzero) digits is 12, while the sum is 12.
The square root of 2121110130 is about 46055.5113965745. The cubic root of 2121110130 is about 1284.8558494246.
Adding to 2121110130 its reverse (310111212), we get a palindrome (2431221342).
The spelling of 2121110130 in words is "two billion, one hundred twenty-one million, one hundred ten thousand, one hundred thirty".
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