Base | Representation |
---|---|
bin | 10111110001101110… |
… | …011111011110011101 |
3 | 2102220020211022001001 |
4 | 113301232133132131 |
5 | 404241231124320 |
6 | 15421203350301 |
7 | 1562444151655 |
oct | 276156373635 |
9 | 72806738031 |
10 | 25530333085 |
11 | a911231134 |
12 | 4b46082391 |
13 | 253b37c08a |
14 | 1342997365 |
15 | 9e652d20a |
hex | 5f1b9f79d |
25530333085 has 16 divisors (see below), whose sum is σ = 30782509056. Its totient is φ = 20326945408.
The previous prime is 25530333071. The next prime is 25530333089. The reversal of 25530333085 is 58033303552.
It is a cyclic number.
It is not a de Polignac number, because 25530333085 - 27 = 25530332957 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25530333089) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3406212 + ... + 3413698.
It is an arithmetic number, because the mean of its divisors is an integer number (1923906816).
Almost surely, 225530333085 is an apocalyptic number.
It is an amenable number.
25530333085 is a deficient number, since it is larger than the sum of its proper divisors (5252175971).
25530333085 is a wasteful number, since it uses less digits than its factorization.
25530333085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10652.
The product of its (nonzero) digits is 162000, while the sum is 37.
The spelling of 25530333085 in words is "twenty-five billion, five hundred thirty million, three hundred thirty-three thousand, eighty-five".
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