Base | Representation |
---|---|
bin | 1000010001100110… |
… | …1111010111000101 |
3 | 12201210211202202121 |
4 | 2010121233113011 |
5 | 14022130340401 |
6 | 1004231005541 |
7 | 106022036131 |
oct | 20431572705 |
9 | 5653752677 |
10 | 2221340101 |
11 | a3a985772 |
12 | 51bb098b1 |
13 | 295293a36 |
14 | 1710343c1 |
15 | d0034ca1 |
hex | 8466f5c5 |
2221340101 has 8 divisors (see below), whose sum is σ = 2242186200. Its totient is φ = 2200515072.
The previous prime is 2221340089. The next prime is 2221340111. The reversal of 2221340101 is 1010431222.
2221340101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 74407876 + 2146932225 = 8626^2 + 46335^2 .
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 2221340101 - 27 = 2221339973 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 (2221340111) 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, 275475 + ... + 283423.
It is an arithmetic number, because the mean of its divisors is an integer number (280273275).
Almost surely, 22221340101 is an apocalyptic number.
It is an amenable number.
2221340101 is a deficient number, since it is larger than the sum of its proper divisors (20846099).
2221340101 is a wasteful number, since it uses less digits than its factorization.
2221340101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10535.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 2221340101 is about 47131.0948419406. The cubic root of 2221340101 is about 1304.7831881459.
Adding to 2221340101 its reverse (1010431222), we get a palindrome (3231771323).
The spelling of 2221340101 in words is "two billion, two hundred twenty-one million, three hundred forty thousand, one hundred one".
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