Base | Representation |
---|---|
bin | 11101110101001111111… |
… | …01111101100000100001 |
3 | 10121222202102110000220001 |
4 | 32322213331331200201 |
5 | 113243220141113431 |
6 | 2102515433220001 |
7 | 134024646255454 |
oct | 16724775754041 |
9 | 3558672400801 |
10 | 1025020254241 |
11 | 365788236265 |
12 | 1467a5261601 |
13 | 75874a740c9 |
14 | 3787b38349b |
15 | 1b9e30d9e61 |
hex | eea7f7d821 |
1025020254241 has 16 divisors (see below), whose sum is σ = 1108926118224. Its totient is φ = 943840927744.
The previous prime is 1025020254217. The next prime is 1025020254259. The reversal of 1025020254241 is 1424520205201.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 210250000 + 1024810004241 = 14500^2 + 1012329^2 .
It is a cyclic number.
It is not a de Polignac number, because 1025020254241 - 29 = 1025020253729 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1025020254281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1293346 + ... + 1929451.
It is an arithmetic number, because the mean of its divisors is an integer number (69307882389).
Almost surely, 21025020254241 is an apocalyptic number.
It is an amenable number.
1025020254241 is a deficient number, since it is larger than the sum of its proper divisors (83905863983).
1025020254241 is a wasteful number, since it uses less digits than its factorization.
1025020254241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3223220.
The product of its (nonzero) digits is 6400, while the sum is 28.
Adding to 1025020254241 its reverse (1424520205201), we get a palindrome (2449540459442).
The spelling of 1025020254241 in words is "one trillion, twenty-five billion, twenty million, two hundred fifty-four thousand, two hundred forty-one".
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