Base | Representation |
---|---|
bin | 100000010101011111100… |
… | …011000001110011110001 |
3 | 21212102122001021020210011 |
4 | 200111133203001303301 |
5 | 242401330341010001 |
6 | 4420452534334521 |
7 | 316353510535063 |
oct | 40253743016361 |
9 | 7772561236704 |
10 | 2222101110001 |
11 | 78742a168053 |
12 | 2ba7a91ba441 |
13 | 13170a647316 |
14 | 7979bd11733 |
15 | 3cc068a3d51 |
hex | 2055f8c1cf1 |
2222101110001 has 4 divisors (see below), whose sum is σ = 2222250570100. Its totient is φ = 2221951649904.
The previous prime is 2222101109953. The next prime is 2222101110037. The reversal of 2222101110001 is 1000111012222.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 305748173025 + 1916352936976 = 552945^2 + 1384324^2 .
It is a cyclic number.
It is not a de Polignac number, because 2222101110001 - 27 = 2222101109873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2222101110071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74707746 + ... + 74737483.
It is an arithmetic number, because the mean of its divisors is an integer number (555562642525).
Almost surely, 22222101110001 is an apocalyptic number.
It is an amenable number.
2222101110001 is a deficient number, since it is larger than the sum of its proper divisors (149460099).
2222101110001 is a wasteful number, since it uses less digits than its factorization.
2222101110001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149460098.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2222101110001 its reverse (1000111012222), we get a palindrome (3222212122223).
The spelling of 2222101110001 in words is "two trillion, two hundred twenty-two billion, one hundred one million, one hundred ten thousand, one".
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