Base | Representation |
---|---|
bin | 11011111100010110… |
… | …000011000111001000 |
3 | 2212102222202210002001 |
4 | 123330112003013020 |
5 | 442421340121440 |
6 | 21441113520344 |
7 | 2111341023121 |
oct | 337426030710 |
9 | 85388683061 |
10 | 30003442120 |
11 | 117a7185163 |
12 | 59941130b4 |
13 | 2aa1ccba62 |
14 | 1648aa3048 |
15 | ba90a8b9a |
hex | 6fc5831c8 |
30003442120 has 32 divisors (see below), whose sum is σ = 71478790200. Its totient is φ = 11295413248.
The previous prime is 30003442003. The next prime is 30003442121. The reversal of 30003442120 is 2124430003.
It can be written as a sum of positive squares in 4 ways, for example, as 25794287236 + 4209154884 = 160606^2 + 64878^2 .
It is not an unprimeable number, because it can be changed into a prime (30003442121) 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 7 ways as a sum of consecutive naturals, for example, 22060675 + ... + 22062034.
Almost surely, 230003442120 is an apocalyptic number.
It is an amenable number.
30003442120 is an abundant number, since it is smaller than the sum of its proper divisors (41475348080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30003442120 is a wasteful number, since it uses less digits than its factorization.
30003442120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44122737 (or 44122733 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 30003442120 its reverse (2124430003), we get a palindrome (32127872123).
The spelling of 30003442120 in words is "thirty billion, three million, four hundred forty-two thousand, one hundred twenty".
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