Base | Representation |
---|---|
bin | 11100001001010000… |
… | …111111111000111100 |
3 | 2220000002200100011221 |
4 | 130021100333320330 |
5 | 443342334101022 |
6 | 21514420123124 |
7 | 2116612435351 |
oct | 341120777074 |
9 | 86002610157 |
10 | 30220222012 |
11 | 118a85890a2 |
12 | 5a348364a4 |
13 | 2b07bac896 |
14 | 16697b2628 |
15 | bbd129cc7 |
hex | 70943fe3c |
30220222012 has 24 divisors (see below), whose sum is σ = 53620869456. Its totient is φ = 14900059008.
The previous prime is 30220221979. The next prime is 30220222013. The reversal of 30220222012 is 21022202203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30220222013) 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, 2189838 + ... + 2203594.
It is an arithmetic number, because the mean of its divisors is an integer number (2234202894).
Almost surely, 230220222012 is an apocalyptic number.
It is an amenable number.
30220222012 is a deficient number, since it is larger than the sum of its proper divisors (23400647444).
30220222012 is a wasteful number, since it uses less digits than its factorization.
30220222012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21357 (or 21355 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 30220222012 its reverse (21022202203), we get a palindrome (51242424215).
The spelling of 30220222012 in words is "thirty billion, two hundred twenty million, two hundred twenty-two thousand, twelve".
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