Base | Representation |
---|---|
bin | 11011111110100011… |
… | …000111100101000101 |
3 | 2212112120100120221002 |
4 | 123332203013211011 |
5 | 443010322011400 |
6 | 21444514303045 |
7 | 2112300244235 |
oct | 337643074505 |
9 | 85476316832 |
10 | 30040422725 |
11 | 11816043245 |
12 | 59a4587a85 |
13 | 2aa9879181 |
14 | 164d96bcc5 |
15 | bac460ed5 |
hex | 6fe8c7945 |
30040422725 has 6 divisors (see below), whose sum is σ = 37250124210. Its totient is φ = 24032338160.
The previous prime is 30040422703. The next prime is 30040422761. The reversal of 30040422725 is 52722404003.
It can be written as a sum of positive squares in 3 ways, for example, as 58461316 + 29981961409 = 7646^2 + 173153^2 .
It is not a de Polignac number, because 30040422725 - 228 = 29771987269 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 600808430 + ... + 600808479.
It is an arithmetic number, because the mean of its divisors is an integer number (6208354035).
Almost surely, 230040422725 is an apocalyptic number.
It is an amenable number.
30040422725 is a deficient number, since it is larger than the sum of its proper divisors (7209701485).
30040422725 is a wasteful number, since it uses less digits than its factorization.
30040422725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1201616919 (or 1201616914 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 29.
Adding to 30040422725 its reverse (52722404003), we get a palindrome (82762826728).
The spelling of 30040422725 in words is "thirty billion, forty million, four hundred twenty-two thousand, seven hundred twenty-five".
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