Base | Representation |
---|---|
bin | 1000010000000111… |
… | …0100110110000001 |
3 | 12201101001021022120 |
4 | 2010001310312001 |
5 | 14014024233410 |
6 | 1003444354453 |
7 | 105614536152 |
oct | 20401646601 |
9 | 5641037276 |
10 | 2215071105 |
11 | a37393785 |
12 | 5199a5a29 |
13 | 293baa480 |
14 | 170281929 |
15 | ce6e7570 |
hex | 84074d81 |
2215071105 has 16 divisors (see below), whose sum is σ = 3816738240. Its totient is φ = 1090496448.
The previous prime is 2215071031. The next prime is 2215071107. The reversal of 2215071105 is 5011705122.
It is not a de Polignac number, because 2215071105 - 220 = 2214022529 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2215071107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5679475 + ... + 5679864.
It is an arithmetic number, because the mean of its divisors is an integer number (238546140).
Almost surely, 22215071105 is an apocalyptic number.
It is an amenable number.
2215071105 is a deficient number, since it is larger than the sum of its proper divisors (1601667135).
2215071105 is a wasteful number, since it uses less digits than its factorization.
2215071105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11359360.
The product of its (nonzero) digits is 700, while the sum is 24.
The square root of 2215071105 is about 47064.5419078949. The cubic root of 2215071105 is about 1303.5545923261.
Adding to 2215071105 its reverse (5011705122), we get a palindrome (7226776227).
The spelling of 2215071105 in words is "two billion, two hundred fifteen million, seventy-one thousand, one hundred five".
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