Base | Representation |
---|---|
bin | 10111100000110111… |
… | …101011110000010101 |
3 | 2102011112200102010220 |
4 | 113200313223300111 |
5 | 403201331430010 |
6 | 15333142104553 |
7 | 1552441315125 |
oct | 274067536025 |
9 | 72145612126 |
10 | 25247530005 |
11 | a786632a85 |
12 | 4a8741b159 |
13 | 24c48c2889 |
14 | 13171bcc85 |
15 | 9cb7b9970 |
hex | 5e0debc15 |
25247530005 has 16 divisors (see below), whose sum is σ = 40402826304. Its totient is φ = 13463089920.
The previous prime is 25247529959. The next prime is 25247530027. The reversal of 25247530005 is 50003574252.
It is not a de Polignac number, because 25247530005 - 216 = 25247464469 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46804 + ... + 229533.
It is an arithmetic number, because the mean of its divisors is an integer number (2525176644).
Almost surely, 225247530005 is an apocalyptic number.
It is an amenable number.
25247530005 is a deficient number, since it is larger than the sum of its proper divisors (15155296299).
25247530005 is a wasteful number, since it uses less digits than its factorization.
25247530005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282436.
The product of its (nonzero) digits is 42000, while the sum is 33.
The spelling of 25247530005 in words is "twenty-five billion, two hundred forty-seven million, five hundred thirty thousand, five".
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