Base | Representation |
---|---|
bin | 11100001110011111… |
… | …111000100110111001 |
3 | 2220020012212110020122 |
4 | 130032133320212321 |
5 | 444032322313200 |
6 | 21531233503025 |
7 | 2122026560300 |
oct | 341637704671 |
9 | 86205773218 |
10 | 30308010425 |
11 | 11943099900 |
12 | 5a5a111a75 |
13 | 2b20138ca4 |
14 | 1677305437 |
15 | bc5bbb385 |
hex | 70e7f89b9 |
30308010425 has 108 divisors (see below), whose sum is σ = 48729060828. Its totient is φ = 18627840000.
The previous prime is 30308010419. The next prime is 30308010433. The reversal of 30308010425 is 52401080303.
It can be written as a sum of positive squares in 6 ways, for example, as 319122496 + 29988887929 = 17864^2 + 173173^2 .
It is not a de Polignac number, because 30308010425 - 28 = 30308010169 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30308010394 and 30308010403.
It is an unprimeable number.
It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 10819025 + ... + 10821825.
Almost surely, 230308010425 is an apocalyptic number.
30308010425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30308010425 is a deficient number, since it is larger than the sum of its proper divisors (18421050403).
30308010425 is a wasteful number, since it uses less digits than its factorization.
30308010425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2920 (or 2897 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
Adding to 30308010425 its reverse (52401080303), we get a palindrome (82709090728).
The spelling of 30308010425 in words is "thirty billion, three hundred eight million, ten thousand, four hundred twenty-five".
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