Base | Representation |
---|---|
bin | 1110111011001010… |
… | …10010100000000101 |
3 | 202200101221112110202 |
4 | 13131211102200011 |
5 | 112402200212031 |
6 | 3403023500245 |
7 | 402362121062 |
oct | 73545224005 |
9 | 22611845422 |
10 | 8012507141 |
11 | 3441940231 |
12 | 1677457685 |
13 | 9a9001bb2 |
14 | 560201c69 |
15 | 31d66b2cb |
hex | 1dd952805 |
8012507141 has 2 divisors, whose sum is σ = 8012507142. Its totient is φ = 8012507140.
The previous prime is 8012507131. The next prime is 8012507147. The reversal of 8012507141 is 1417052108.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5087968900 + 2924538241 = 71330^2 + 54079^2 .
It is a cyclic number.
It is not a de Polignac number, because 8012507141 - 214 = 8012490757 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8012507147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4006253570 + 4006253571.
It is an arithmetic number, because the mean of its divisors is an integer number (4006253571).
Almost surely, 28012507141 is an apocalyptic number.
It is an amenable number.
8012507141 is a deficient number, since it is larger than the sum of its proper divisors (1).
8012507141 is an equidigital number, since it uses as much as digits as its factorization.
8012507141 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2240, while the sum is 29.
The square root of 8012507141 is about 89512.6088380849. The cubic root of 8012507141 is about 2001.0417190665.
Adding to 8012507141 its reverse (1417052108), we get a palindrome (9429559249).
The spelling of 8012507141 in words is "eight billion, twelve million, five hundred seven thousand, one hundred forty-one".
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