Base | Representation |
---|---|
bin | 10111100100001011… |
… | …011001000100111001 |
3 | 2102022102010000010010 |
4 | 113210023121010321 |
5 | 403310033344100 |
6 | 15342443412133 |
7 | 1554014122002 |
oct | 274413310471 |
9 | 72272100103 |
10 | 25303028025 |
11 | a804999510 |
12 | 4aa1b24049 |
13 | 2503254642 |
14 | 13207081a9 |
15 | 9d15cd750 |
hex | 5e42d9139 |
25303028025 has 48 divisors (see below), whose sum is σ = 46750632768. Its totient is φ = 11968896000.
The previous prime is 25303028017. The next prime is 25303028027. The reversal of 25303028025 is 52082030352.
It is not a de Polignac number, because 25303028025 - 23 = 25303028017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 25303027983 and 25303028001.
It is not an unprimeable number, because it can be changed into a prime (25303028027) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 340204 + ... + 407853.
It is an arithmetic number, because the mean of its divisors is an integer number (973971516).
Almost surely, 225303028025 is an apocalyptic number.
25303028025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25303028025 is a deficient number, since it is larger than the sum of its proper divisors (21447604743).
25303028025 is a wasteful number, since it uses less digits than its factorization.
25303028025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 748122 (or 748117 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 25303028025 its reverse (52082030352), we get a palindrome (77385058377).
The spelling of 25303028025 in words is "twenty-five billion, three hundred three million, twenty-eight thousand, twenty-five".
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