Base | Representation |
---|---|
bin | 10111100101110111… |
… | …000011010011111001 |
3 | 2102101101012211222012 |
4 | 113211313003103321 |
5 | 403334300003200 |
6 | 15345332335305 |
7 | 1554506035025 |
oct | 274567032371 |
9 | 72341184865 |
10 | 25331250425 |
11 | a819915408 |
12 | 4aab474535 |
13 | 25090564a0 |
14 | 1324373385 |
15 | 9d3d05a35 |
hex | 5e5dc34f9 |
25331250425 has 48 divisors (see below), whose sum is σ = 35034757632. Its totient is φ = 18049516800.
The previous prime is 25331250419. The next prime is 25331250473. The reversal of 25331250425 is 52405213352.
It is not a de Polignac number, because 25331250425 - 24 = 25331250409 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25331250391 and 25331250400.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1072847 + ... + 1096203.
It is an arithmetic number, because the mean of its divisors is an integer number (729890784).
Almost surely, 225331250425 is an apocalyptic number.
25331250425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25331250425 is a deficient number, since it is larger than the sum of its proper divisors (9703507207).
25331250425 is a wasteful number, since it uses less digits than its factorization.
25331250425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23498 (or 23493 counting only the distinct ones).
The product of its (nonzero) digits is 36000, while the sum is 32.
Adding to 25331250425 its reverse (52405213352), we get a palindrome (77736463777).
The spelling of 25331250425 in words is "twenty-five billion, three hundred thirty-one million, two hundred fifty thousand, four hundred twenty-five".
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