Base | Representation |
---|---|
bin | 111011110000100… |
… | …0000101100111010 |
3 | 12011202000210011202 |
4 | 1313201000230322 |
5 | 13101304023310 |
6 | 530545054202 |
7 | 100455300002 |
oct | 16741005472 |
9 | 5152023152 |
10 | 2005142330 |
11 | 93993a124 |
12 | 47b627362 |
13 | 25c557b69 |
14 | 150437002 |
15 | bb07b3a5 |
hex | 77840b3a |
2005142330 has 32 divisors (see below), whose sum is σ = 3642807168. Its totient is φ = 794622400.
The previous prime is 2005142291. The next prime is 2005142339. The reversal of 2005142330 is 332415002.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (2005142339) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1326275 + ... + 1327785.
It is an arithmetic number, because the mean of its divisors is an integer number (113837724).
Almost surely, 22005142330 is an apocalyptic number.
2005142330 is a deficient number, since it is larger than the sum of its proper divisors (1637664838).
2005142330 is a wasteful number, since it uses less digits than its factorization.
2005142330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2662.
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 2005142330 is about 44778.8156386477. The cubic root of 2005142330 is about 1260.9999473835. Note that the first 4 decimals are identical.
Adding to 2005142330 its reverse (332415002), we get a palindrome (2337557332).
The spelling of 2005142330 in words is "two billion, five million, one hundred forty-two thousand, three hundred thirty".
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