Base | Representation |
---|---|
bin | 1000111101111100000… |
… | …00011010110110010001 |
3 | 1002110100010211010210011 |
4 | 10132332000122312101 |
5 | 20022022344142100 |
6 | 353315253034521 |
7 | 31155521454454 |
oct | 4367600326621 |
9 | 1073303733704 |
10 | 308130459025 |
11 | 10974a67a524 |
12 | 4b874325a41 |
13 | 230973bb3cc |
14 | 10cb0c8949b |
15 | 8036378bba |
hex | 47be01ad91 |
308130459025 has 27 divisors (see below), whose sum is σ = 388103817969. Its totient is φ = 242678652480.
The previous prime is 308130458969. The next prime is 308130459041. The reversal of 308130459025 is 520954031803.
The square root of 308130459025 is 555095.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 31929758721 + 276200700304 = 178689^2 + 525548^2 .
It is not a de Polignac number, because 308130459025 - 219 = 308129934737 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 26 ways as a sum of consecutive naturals, for example, 185955997 + ... + 185957653.
Almost surely, 2308130459025 is an apocalyptic number.
308130459025 is the 555095-th square number.
308130459025 is the 277548-th centered octagonal number.
It is an amenable number.
308130459025 is a deficient number, since it is larger than the sum of its proper divisors (79973358944).
308130459025 is an frugal number, since it uses more digits than its factorization.
308130459025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3458 (or 1729 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 40.
The spelling of 308130459025 in words is "three hundred eight billion, one hundred thirty million, four hundred fifty-nine thousand, twenty-five".
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