Base | Representation |
---|---|
bin | 1101000011111111… |
… | …10000011011110010 |
3 | 200002201211210021102 |
4 | 12201333300123302 |
5 | 103330240000110 |
6 | 3115512524402 |
7 | 335532631403 |
oct | 64177603362 |
9 | 20081753242 |
10 | 7012812530 |
11 | 2a79605939 |
12 | 14386b0702 |
13 | 879b70a19 |
14 | 4a75339aa |
15 | 2b09ea5a5 |
hex | 1a1ff06f2 |
7012812530 has 16 divisors (see below), whose sum is σ = 12628483200. Its totient is φ = 2803920432.
The previous prime is 7012812449. The next prime is 7012812533. The reversal of 7012812530 is 352182107.
It is a junction number, because it is equal to n+sod(n) for n = 7012812493 and 7012812502.
It is not an unprimeable number, because it can be changed into a prime (7012812533) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125930 + ... + 172869.
It is an arithmetic number, because the mean of its divisors is an integer number (789280200).
Almost surely, 27012812530 is an apocalyptic number.
7012812530 is a deficient number, since it is larger than the sum of its proper divisors (5615670670).
7012812530 is a wasteful number, since it uses less digits than its factorization.
7012812530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 301153.
The product of its (nonzero) digits is 3360, while the sum is 29.
The square root of 7012812530 is about 83742.5371600359. The cubic root of 7012812530 is about 1914.0975898969.
Adding to 7012812530 its reverse (352182107), we get a palindrome (7364994637).
The spelling of 7012812530 in words is "seven billion, twelve million, eight hundred twelve thousand, five hundred thirty".
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