Base | Representation |
---|---|
bin | 111100000100001… |
… | …0000011010111010 |
3 | 12012110101110122210 |
4 | 1320020100122322 |
5 | 13111422232310 |
6 | 531553355550 |
7 | 100641606114 |
oct | 17010203272 |
9 | 5173343583 |
10 | 2015430330 |
11 | 944726701 |
12 | 482b68bb6 |
13 | 26171a834 |
14 | 1519543b4 |
15 | bbe0e820 |
hex | 782106ba |
2015430330 has 32 divisors (see below), whose sum is σ = 4967766144. Its totient is φ = 522922176.
The previous prime is 2015430259. The next prime is 2015430331. The reversal of 2015430330 is 330345102.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2015430297 and 2015430306.
It is not an unprimeable number, because it can be changed into a prime (2015430331) 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 15 ways as a sum of consecutive naturals, for example, 906742 + ... + 908961.
It is an arithmetic number, because the mean of its divisors is an integer number (155242692).
Almost surely, 22015430330 is an apocalyptic number.
2015430330 is an abundant number, since it is smaller than the sum of its proper divisors (2952335814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2015430330 is a wasteful number, since it uses less digits than its factorization.
2015430330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1815750.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 2015430330 is about 44893.5444134232. The cubic root of 2015430330 is about 1263.1529188848.
Adding to 2015430330 its reverse (330345102), we get a palindrome (2345775432).
The spelling of 2015430330 in words is "two billion, fifteen million, four hundred thirty thousand, three hundred thirty".
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