Base | Representation |
---|---|
bin | 11100001110001100… |
… | …110110010010110111 |
3 | 2220012212110220222001 |
4 | 130032030312102313 |
5 | 444030033121330 |
6 | 21530534520131 |
7 | 2121636264466 |
oct | 341614662267 |
9 | 86185426861 |
10 | 30303020215 |
11 | 119402a0666 |
12 | 5a58506047 |
13 | 2b1c0ac7c0 |
14 | 16767a69dd |
15 | bc55329ca |
hex | 70e3364b7 |
30303020215 has 32 divisors (see below), whose sum is σ = 39507652800. Its totient is φ = 22179855360.
The previous prime is 30303020201. The next prime is 30303020227. The reversal of 30303020215 is 51202030303.
It is not a de Polignac number, because 30303020215 - 215 = 30302987447 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30303020192 and 30303020201.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 9441531 + ... + 9444739.
It is an arithmetic number, because the mean of its divisors is an integer number (1234614150).
Almost surely, 230303020215 is an apocalyptic number.
30303020215 is a deficient number, since it is larger than the sum of its proper divisors (9204632585).
30303020215 is a wasteful number, since it uses less digits than its factorization.
30303020215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4467.
The product of its (nonzero) digits is 540, while the sum is 19.
Adding to 30303020215 its reverse (51202030303), we get a palindrome (81505050518).
The spelling of 30303020215 in words is "thirty billion, three hundred three million, twenty thousand, two hundred fifteen".
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