Base | Representation |
---|---|
bin | 1001010101010010… |
… | …0101001101111001 |
3 | 20110120222101000220 |
4 | 2111110211031321 |
5 | 20112312404010 |
6 | 1052331050253 |
7 | 116036565363 |
oct | 22524451571 |
9 | 6416871026 |
10 | 2505200505 |
11 | 1076136245 |
12 | 59aba0989 |
13 | 30c030582 |
14 | 19aa05d33 |
15 | e9e06970 |
hex | 95525379 |
2505200505 has 16 divisors (see below), whose sum is σ = 4047239040. Its totient is φ = 1323134208.
The previous prime is 2505200479. The next prime is 2505200507. The reversal of 2505200505 is 5050025052.
2505200505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2505200505 - 26 = 2505200441 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2505200507) 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, 809200 + ... + 812289.
It is an arithmetic number, because the mean of its divisors is an integer number (252952440).
Almost surely, 22505200505 is an apocalyptic number.
It is an amenable number.
2505200505 is a deficient number, since it is larger than the sum of its proper divisors (1542038535).
2505200505 is a wasteful number, since it uses less digits than its factorization.
2505200505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1621600.
The product of its (nonzero) digits is 2500, while the sum is 24.
The square root of 2505200505 is about 50051.9780328410. The cubic root of 2505200505 is about 1358.1492459909.
Adding to 2505200505 its reverse (5050025052), we get a palindrome (7555225557).
The spelling of 2505200505 in words is "two billion, five hundred five million, two hundred thousand, five hundred five".
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