Base | Representation |
---|---|
bin | 10000000000100011110… |
… | …010101010001010001101 |
3 | 10220011120201000120001011 |
4 | 100000203302222022031 |
5 | 121011012200011341 |
6 | 2201215020245221 |
7 | 142323542435335 |
oct | 20004362521215 |
9 | 3804521016034 |
10 | 1100112110221 |
11 | 394611674073 |
12 | 1592613a0811 |
13 | 7c98109bc97 |
14 | 3b36232c0c5 |
15 | 1d93a748b81 |
hex | 10023caa28d |
1100112110221 has 4 divisors (see below), whose sum is σ = 1123518750912. Its totient is φ = 1076705469532.
The previous prime is 1100112110219. The next prime is 1100112110233. The reversal of 1100112110221 is 1220112110011.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1100112110221 - 21 = 1100112110219 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 (1100112110261) 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, 11703320275 + ... + 11703320368.
It is an arithmetic number, because the mean of its divisors is an integer number (280879687728).
Almost surely, 21100112110221 is an apocalyptic number.
It is an amenable number.
1100112110221 is a deficient number, since it is larger than the sum of its proper divisors (23406640691).
1100112110221 is an equidigital number, since it uses as much as digits as its factorization.
1100112110221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23406640690.
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 1100112110221 its reverse (1220112110011), we get a palindrome (2320224220232).
The spelling of 1100112110221 in words is "one trillion, one hundred billion, one hundred twelve million, one hundred ten thousand, two hundred twenty-one".
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