Base | Representation |
---|---|
bin | 1111101010001000011… |
… | …00000001100111010001 |
3 | 1220102201011222111002021 |
4 | 13311010030001213101 |
5 | 32303323304240100 |
6 | 1051054410451441 |
7 | 53604340215400 |
oct | 7650414014721 |
9 | 1812634874067 |
10 | 538014915025 |
11 | 198197436845 |
12 | 88330133b81 |
13 | 3b971b78a33 |
14 | 1c07bcd9637 |
15 | dedd201a1a |
hex | 7d443019d1 |
538014915025 has 81 divisors (see below), whose sum is σ = 819797269851. Its totient is φ = 349190563680.
The previous prime is 538014915007. The next prime is 538014915049. The reversal of 538014915025 is 520519410835.
The square root of 538014915025 is 733495.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 193685369409 + 344329545616 = 440097^2 + 586796^2 .
It is not a de Polignac number, because 538014915025 - 27 = 538014914897 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 487773624 + ... + 487774726.
Almost surely, 2538014915025 is an apocalyptic number.
538014915025 is the 733495-th square number.
538014915025 is the 366748-th centered octagonal number.
It is an amenable number.
538014915025 is a deficient number, since it is larger than the sum of its proper divisors (281782354826).
538014915025 is an equidigital number, since it uses as much as digits as its factorization.
538014915025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2268 (or 1134 counting only the distinct ones).
The product of its (nonzero) digits is 216000, while the sum is 43.
The spelling of 538014915025 in words is "five hundred thirty-eight billion, fourteen million, nine hundred fifteen thousand, twenty-five".
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