Base | Representation |
---|---|
bin | 1000001111001001… |
… | …0101101000100001 |
3 | 12201002102000001012 |
4 | 2003302111220201 |
5 | 14012004323410 |
6 | 1003221350305 |
7 | 105535166342 |
oct | 20362255041 |
9 | 5632360035 |
10 | 2211011105 |
11 | a35070406 |
12 | 518568395 |
13 | 2930b84c4 |
14 | 16d9060c9 |
15 | ce194605 |
hex | 83c95a21 |
2211011105 has 8 divisors (see below), whose sum is σ = 2653471464. Its totient is φ = 1768636800.
The previous prime is 2211011093. The next prime is 2211011107. The reversal of 2211011105 is 5011101122.
It can be written as a sum of positive squares in 4 ways, for example, as 1372850704 + 838160401 = 37052^2 + 28951^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2211011105 - 218 = 2210748961 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2211011105.
It is not an unprimeable number, because it can be changed into a prime (2211011107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71885 + ... + 97925.
It is an arithmetic number, because the mean of its divisors is an integer number (331683933).
Almost surely, 22211011105 is an apocalyptic number.
It is an amenable number.
2211011105 is a deficient number, since it is larger than the sum of its proper divisors (442460359).
2211011105 is a wasteful number, since it uses less digits than its factorization.
2211011105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43027.
The product of its (nonzero) digits is 20, while the sum is 14.
The square root of 2211011105 is about 47021.3898667404. The cubic root of 2211011105 is about 1302.7576775867.
Adding to 2211011105 its reverse (5011101122), we get a palindrome (7222112227).
The spelling of 2211011105 in words is "two billion, two hundred eleven million, eleven thousand, one hundred five".
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