Base | Representation |
---|---|
bin | 1001010101010000… |
… | …0001000101011001 |
3 | 20110120200212000102 |
4 | 2111110001011121 |
5 | 20112243140010 |
6 | 1052323545145 |
7 | 116035411034 |
oct | 22524010531 |
9 | 6416625012 |
10 | 2505052505 |
11 | 107604502a |
12 | 59ab2b1b5 |
13 | 30bcab0b7 |
14 | 19a9a801b |
15 | e9dc7ba5 |
hex | 95501159 |
2505052505 has 8 divisors (see below), whose sum is σ = 3075971712. Its totient is φ = 1957436208.
The previous prime is 2505052471. The next prime is 2505052507. The reversal of 2505052505 is 5052505052.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2505052505 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2505052507) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5825489 + ... + 5825918.
It is an arithmetic number, because the mean of its divisors is an integer number (384496464).
Almost surely, 22505052505 is an apocalyptic number.
It is an amenable number.
2505052505 is a deficient number, since it is larger than the sum of its proper divisors (570919207).
2505052505 is a wasteful number, since it uses less digits than its factorization.
2505052505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11651455.
The product of its (nonzero) digits is 12500, while the sum is 29.
The square root of 2505052505 is about 50050.4995479566. The cubic root of 2505052505 is about 1358.1225002878.
Adding to 2505052505 its reverse (5052505052), we get a palindrome (7557557557).
The spelling of 2505052505 in words is "two billion, five hundred five million, fifty-two thousand, five hundred five".
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