Base | Representation |
---|---|
bin | 10111100110011001… |
… | …010110010011100001 |
3 | 2102102000010121212221 |
4 | 113212121112103201 |
5 | 403344100203441 |
6 | 15350253151041 |
7 | 1554645331666 |
oct | 274631262341 |
9 | 72360117787 |
10 | 25340241121 |
11 | a8239a6238 |
12 | 4ab248b481 |
13 | 250ab83820 |
14 | 1325633a6d |
15 | 9d49ce8d1 |
hex | 5e66564e1 |
25340241121 has 8 divisors (see below), whose sum is σ = 27804387240. Its totient is φ = 22949651712.
The previous prime is 25340241107. The next prime is 25340241197. The reversal of 25340241121 is 12114204352.
It can be written as a sum of positive squares in 4 ways, for example, as 6916250896 + 18423990225 = 83164^2 + 135735^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 25340241121 - 211 = 25340239073 is a prime.
It is not an unprimeable number, because it can be changed into a prime (25340251121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18388456 + ... + 18389833.
It is an arithmetic number, because the mean of its divisors is an integer number (3475548405).
Almost surely, 225340241121 is an apocalyptic number.
It is an amenable number.
25340241121 is a deficient number, since it is larger than the sum of its proper divisors (2464146119).
25340241121 is a wasteful number, since it uses less digits than its factorization.
25340241121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36778355.
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 25340241121 its reverse (12114204352), we get a palindrome (37454445473).
The spelling of 25340241121 in words is "twenty-five billion, three hundred forty million, two hundred forty-one thousand, one hundred twenty-one".
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