Base | Representation |
---|---|
bin | 11100001111001110… |
… | …000101000110010011 |
3 | 2220021001122200202020 |
4 | 130033032011012103 |
5 | 444043422321321 |
6 | 21532345222523 |
7 | 2122234524633 |
oct | 341716050623 |
9 | 86231580666 |
10 | 30320120211 |
11 | 11949a10097 |
12 | 5a62191a43 |
13 | 2b227b8c44 |
14 | 1678b786c3 |
15 | bc6cae4c6 |
hex | 70f385193 |
30320120211 has 32 divisors (see below), whose sum is σ = 43560122688. Its totient is φ = 18689495040.
The previous prime is 30320120209. The next prime is 30320120213. The reversal of 30320120211 is 11202102303.
It is an interprime number because it is at equal distance from previous prime (30320120209) and next prime (30320120213).
It is not a de Polignac number, because 30320120211 - 21 = 30320120209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30320120213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2722791 + ... + 2733903.
It is an arithmetic number, because the mean of its divisors is an integer number (1361253834).
Almost surely, 230320120211 is an apocalyptic number.
30320120211 is a deficient number, since it is larger than the sum of its proper divisors (13240002477).
30320120211 is a wasteful number, since it uses less digits than its factorization.
30320120211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12071.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 30320120211 its reverse (11202102303), we get a palindrome (41522222514).
The spelling of 30320120211 in words is "thirty billion, three hundred twenty million, one hundred twenty thousand, two hundred eleven".
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