Base | Representation |
---|---|
bin | 1111010010001010110… |
… | …00101010111000100001 |
3 | 1212012111121120102120101 |
4 | 13221011120222320201 |
5 | 32101001411330441 |
6 | 1041130045142401 |
7 | 52640465146105 |
oct | 7510530527041 |
9 | 1765447512511 |
10 | 525150105121 |
11 | 1927955a8744 |
12 | 8593b85aa01 |
13 | 3a6a17bbc95 |
14 | 1b5bb4c1905 |
15 | d9d8aa6231 |
hex | 7a4562ae21 |
525150105121 has 2 divisors, whose sum is σ = 525150105122. Its totient is φ = 525150105120.
The previous prime is 525150105107. The next prime is 525150105127. The reversal of 525150105121 is 121501051525.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 321352934400 + 203797170721 = 566880^2 + 451439^2 .
It is a cyclic number.
It is not a de Polignac number, because 525150105121 - 217 = 525149974049 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 525150105121.
It is not a weakly prime, because it can be changed into another prime (525150105127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262575052560 + 262575052561.
It is an arithmetic number, because the mean of its divisors is an integer number (262575052561).
Almost surely, 2525150105121 is an apocalyptic number.
It is an amenable number.
525150105121 is a deficient number, since it is larger than the sum of its proper divisors (1).
525150105121 is an equidigital number, since it uses as much as digits as its factorization.
525150105121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2500, while the sum is 28.
Adding to 525150105121 its reverse (121501051525), we get a palindrome (646651156646).
The spelling of 525150105121 in words is "five hundred twenty-five billion, one hundred fifty million, one hundred five thousand, one hundred twenty-one".
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