Base | Representation |
---|---|
bin | 111011110001000… |
… | …0000001000010010 |
3 | 12011202111222112222 |
4 | 1313202000020102 |
5 | 13101340332010 |
6 | 530554421042 |
7 | 100460431304 |
oct | 16742001022 |
9 | 5152458488 |
10 | 2005402130 |
11 | 939aa7336 |
12 | 47b731782 |
13 | 25c6191a4 |
14 | 1504a3974 |
15 | bb0cd355 |
hex | 77880212 |
2005402130 has 16 divisors (see below), whose sum is σ = 3614621760. Its totient is φ = 801072432.
The previous prime is 2005402057. The next prime is 2005402151. The reversal of 2005402130 is 312045002.
It is a junction number, because it is equal to n+sod(n) for n = 2005402099 and 2005402108.
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 7 ways as a sum of consecutive naturals, for example, 128294 + ... + 143073.
It is an arithmetic number, because the mean of its divisors is an integer number (225913860).
Almost surely, 22005402130 is an apocalyptic number.
2005402130 is a deficient number, since it is larger than the sum of its proper divisors (1609219630).
2005402130 is a wasteful number, since it uses less digits than its factorization.
2005402130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272113.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 2005402130 is about 44781.7164700059. The cubic root of 2005402130 is about 1261.0544063003.
Adding to 2005402130 its reverse (312045002), we get a palindrome (2317447132).
The spelling of 2005402130 in words is "two billion, five million, four hundred two thousand, one hundred thirty".
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