Base | Representation |
---|---|
bin | 1000010000001000… |
… | …0011010011101001 |
3 | 12201101011021120122 |
4 | 2010002003103221 |
5 | 14014033132340 |
6 | 1003445533025 |
7 | 105615203651 |
oct | 20402032351 |
9 | 5641137518 |
10 | 2215130345 |
11 | a3742423a |
12 | 519a14175 |
13 | 293bcb41c |
14 | 170299361 |
15 | ce709db5 |
hex | 840834e9 |
2215130345 has 64 divisors (see below), whose sum is σ = 3079296000. Its totient is φ = 1519558656.
The previous prime is 2215130339. The next prime is 2215130363. The reversal of 2215130345 is 5430315122.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2215130345 - 216 = 2215064809 is a prime.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 5045636 + ... + 5046074.
It is an arithmetic number, because the mean of its divisors is an integer number (48114000).
Almost surely, 22215130345 is an apocalyptic number.
It is an amenable number.
2215130345 is a deficient number, since it is larger than the sum of its proper divisors (864165655).
2215130345 is a wasteful number, since it uses less digits than its factorization.
2215130345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 602.
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 2215130345 is about 47065.1712522115. The cubic root of 2215130345 is about 1303.5662130044.
Adding to 2215130345 its reverse (5430315122), we get a palindrome (7645445467).
The spelling of 2215130345 in words is "two billion, two hundred fifteen million, one hundred thirty thousand, three hundred forty-five".
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