Base | Representation |
---|---|
bin | 11110111000011110010… |
… | …010111011010001110101 |
3 | 21111212211022022221221002 |
4 | 132320132102323101311 |
5 | 234232302330401401 |
6 | 4302534013133045 |
7 | 306216433254404 |
oct | 36703622732165 |
9 | 7455738287832 |
10 | 2122222122101 |
11 | 749036075154 |
12 | 2a3373a8a185 |
13 | 125180c27393 |
14 | 74a04d9163b |
15 | 3a30d0bea6b |
hex | 1ee1e4bb475 |
2122222122101 has 8 divisors (see below), whose sum is σ = 2138477456544. Its totient is φ = 2105967623760.
The previous prime is 2122222122029. The next prime is 2122222122113. The reversal of 2122222122101 is 1012212222212.
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 2122222122101 - 218 = 2122221859957 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122222122121) 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, 5476706 + ... + 5851388.
It is an arithmetic number, because the mean of its divisors is an integer number (267309682068).
Almost surely, 22122222122101 is an apocalyptic number.
It is an amenable number.
2122222122101 is a deficient number, since it is larger than the sum of its proper divisors (16255334443).
2122222122101 is a wasteful number, since it uses less digits than its factorization.
2122222122101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 418051.
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 2122222122101 its reverse (1012212222212), we get a palindrome (3134434344313).
The spelling of 2122222122101 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred one".
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