Base | Representation |
---|---|
bin | 11100001010110000… |
… | …011011111001101001 |
3 | 2220001211202101222211 |
4 | 130022300123321221 |
5 | 443420240143200 |
6 | 21521112245121 |
7 | 2120335205341 |
oct | 341260337151 |
9 | 86054671884 |
10 | 30245240425 |
11 | 11910716874 |
12 | 5a410a07a1 |
13 | 2b1012c28a |
14 | 166cc45d21 |
15 | bc041caba |
hex | 70ac1be69 |
30245240425 has 18 divisors (see below), whose sum is σ = 38841964538. Its totient is φ = 23361824640.
The previous prime is 30245240407. The next prime is 30245240437. The reversal of 30245240425 is 52404254203.
It can be written as a sum of positive squares in 9 ways, for example, as 4770526761 + 25474713664 = 69069^2 + 159608^2 .
It is not a de Polignac number, because 30245240425 - 219 = 30244716137 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 698244 + ... + 740293.
Almost surely, 230245240425 is an apocalyptic number.
It is an amenable number.
30245240425 is a deficient number, since it is larger than the sum of its proper divisors (8596724113).
30245240425 is a wasteful number, since it uses less digits than its factorization.
30245240425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1438605 (or 1438571 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 31.
Adding to 30245240425 its reverse (52404254203), we get a palindrome (82649494628).
The spelling of 30245240425 in words is "thirty billion, two hundred forty-five million, two hundred forty thousand, four hundred twenty-five".
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