Base | Representation |
---|---|
bin | 10111101110101110… |
… | …101011010101101001 |
3 | 2102202202012122122111 |
4 | 113232232223111221 |
5 | 404140343100100 |
6 | 15412205522321 |
7 | 1561263565063 |
oct | 275656532551 |
9 | 72682178574 |
10 | 25480050025 |
11 | a895907791 |
12 | 4b312733a1 |
13 | 2530b24ba1 |
14 | 133a028733 |
15 | 9e1de96ba |
hex | 5eebab569 |
25480050025 has 12 divisors (see below), whose sum is σ = 31607209152. Its totient is φ = 20376332240.
The previous prime is 25480050019. The next prime is 25480050031. The reversal of 25480050025 is 52005008452.
It is an interprime number because it is at equal distance from previous prime (25480050019) and next prime (25480050031).
It is not a de Polignac number, because 25480050025 - 227 = 25345832297 is a prime.
It is a Duffinian number.
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, 124789 + ... + 257938.
It is an arithmetic number, because the mean of its divisors is an integer number (2633934096).
Almost surely, 225480050025 is an apocalyptic number.
25480050025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25480050025 is a deficient number, since it is larger than the sum of its proper divisors (6127159127).
25480050025 is a wasteful number, since it uses less digits than its factorization.
25480050025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 385400 (or 385395 counting only the distinct ones).
The product of its (nonzero) digits is 16000, while the sum is 31.
Adding to 25480050025 its reverse (52005008452), we get a palindrome (77485058477).
The spelling of 25480050025 in words is "twenty-five billion, four hundred eighty million, fifty thousand, twenty-five".
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