Base | Representation |
---|---|
bin | 1011010111111001001001… |
… | …11001000011010001111001 |
3 | 10021112221201210002012011122 |
4 | 11223330210321003101321 |
5 | 11234231404124000100 |
6 | 125105311121235025 |
7 | 5160633256061045 |
oct | 553744471032171 |
9 | 107487653065148 |
10 | 25010213500025 |
11 | 7a72854562306 |
12 | 297b191a92a75 |
13 | 10c55b7368430 |
14 | 626702261025 |
15 | 2d588e089985 |
hex | 16bf24e43479 |
25010213500025 has 12 divisors (see below), whose sum is σ = 33398254335852. Its totient is φ = 18469080738240.
The previous prime is 25010213500007. The next prime is 25010213500031. The reversal of 25010213500025 is 52000531201052.
It can be written as a sum of positive squares in 6 ways, for example, as 3249453285376 + 21760760214649 = 1802624^2 + 4664843^2 .
It is not a de Polignac number, because 25010213500025 - 26 = 25010213499961 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25010213499967 and 25010213500003.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38477251214 + ... + 38477251863.
It is an arithmetic number, because the mean of its divisors is an integer number (2783187861321).
Almost surely, 225010213500025 is an apocalyptic number.
25010213500025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25010213500025 is a deficient number, since it is larger than the sum of its proper divisors (8388040835827).
25010213500025 is a wasteful number, since it uses less digits than its factorization.
25010213500025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76954503100 (or 76954503095 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 26.
Adding to 25010213500025 its reverse (52000531201052), we get a palindrome (77010744701077).
The spelling of 25010213500025 in words is "twenty-five trillion, ten billion, two hundred thirteen million, five hundred thousand, twenty-five".
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