Base | Representation |
---|---|
bin | 1000010000000110… |
… | …0011011111011110 |
3 | 12201100220122211011 |
4 | 2010001203133132 |
5 | 14014020000110 |
6 | 1003443045434 |
7 | 105614122015 |
oct | 20401433736 |
9 | 5640818734 |
10 | 2215000030 |
11 | a37345341 |
12 | 51997087a |
13 | 293b84009 |
14 | 170263a7c |
15 | ce6d148a |
hex | 840637de |
2215000030 has 32 divisors (see below), whose sum is σ = 4011806880. Its totient is φ = 880506240.
The previous prime is 2214999959. The next prime is 2215000061. The reversal of 2215000030 is 300005122.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409145 + ... + 1410715.
It is an arithmetic number, because the mean of its divisors is an integer number (125368965).
Almost surely, 22215000030 is an apocalyptic number.
2215000030 is a deficient number, since it is larger than the sum of its proper divisors (1796806850).
2215000030 is a wasteful number, since it uses less digits than its factorization.
2215000030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2364.
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 2215000030 is about 47063.7868217168. The cubic root of 2215000030 is about 1303.5406497890.
Adding to 2215000030 its reverse (300005122), we get a palindrome (2515005152).
The spelling of 2215000030 in words is "two billion, two hundred fifteen million, thirty", and thus it is an aban number.
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