Base | Representation |
---|---|
bin | 111100000011010… |
… | …1100100100010010 |
3 | 12012102121200121122 |
4 | 1320012230210102 |
5 | 13111321140310 |
6 | 531540522242 |
7 | 100635253520 |
oct | 17006544422 |
9 | 5172550548 |
10 | 2015021330 |
11 | 944477393 |
12 | 4829b0382 |
13 | 26160661a |
14 | 151889310 |
15 | bbd7d555 |
hex | 781ac912 |
2015021330 has 32 divisors (see below), whose sum is σ = 4147009920. Its totient is φ = 690560640.
The previous prime is 2015021303. The next prime is 2015021347. The reversal of 2015021330 is 331205102.
It is a junction number, because it is equal to n+sod(n) for n = 2015021299 and 2015021308.
It is an unprimeable number.
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, 203126 + ... + 212814.
It is an arithmetic number, because the mean of its divisors is an integer number (129594060).
Almost surely, 22015021330 is an apocalyptic number.
2015021330 is an abundant number, since it is smaller than the sum of its proper divisors (2131988590).
2015021330 is a wasteful number, since it uses less digits than its factorization.
2015021330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12674.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 2015021330 is about 44888.9889616596. The cubic root of 2015021330 is about 1263.0674674079.
Adding to 2015021330 its reverse (331205102), we get a palindrome (2346226432).
The spelling of 2015021330 in words is "two billion, fifteen million, twenty-one thousand, three hundred thirty".
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