Base | Representation |
---|---|
bin | 1000010000001000… |
… | …0110001101000010 |
3 | 12201101011212212002 |
4 | 2010002012031002 |
5 | 14014034022320 |
6 | 1003450104002 |
7 | 105615253361 |
oct | 20402061502 |
9 | 5641155762 |
10 | 2215142210 |
11 | a37432146 |
12 | 519a1b002 |
13 | 293c03948 |
14 | 17029d7d8 |
15 | ce70d675 |
hex | 84086342 |
2215142210 has 16 divisors (see below), whose sum is σ = 3987792000. Its totient is φ = 885937776.
The previous prime is 2215142183. The next prime is 2215142221. The reversal of 2215142210 is 122415122.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137141 + ... + 152439.
It is an arithmetic number, because the mean of its divisors is an integer number (249237000).
Almost surely, 22215142210 is an apocalyptic number.
2215142210 is a deficient number, since it is larger than the sum of its proper divisors (1772649790).
2215142210 is a wasteful number, since it uses less digits than its factorization.
2215142210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29785.
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 2215142210 is about 47065.2973006652. The cubic root of 2215142210 is about 1303.5685404499.
Adding to 2215142210 its reverse (122415122), we get a palindrome (2337557332).
The spelling of 2215142210 in words is "two billion, two hundred fifteen million, one hundred forty-two thousand, two hundred ten".
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