Base | Representation |
---|---|
bin | 1001010101001111… |
… | …0100010001000110 |
3 | 20110120121012000000 |
4 | 2111103310101012 |
5 | 20112240000011 |
6 | 1052322502130 |
7 | 116035102005 |
oct | 22523642106 |
9 | 6416535000 |
10 | 2505000006 |
11 | 1076009643 |
12 | 59ab04946 |
13 | 30bc90232 |
14 | 19a992c3c |
15 | e9db7356 |
hex | 954f4446 |
2505000006 has 28 divisors (see below), whose sum is σ = 5633676132. Its totient is φ = 834999516.
The previous prime is 2504999983. The next prime is 2505000013. The reversal of 2505000006 is 6000005052.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 857596 + ... + 860511.
It is an arithmetic number, because the mean of its divisors is an integer number (201202719).
Almost surely, 22505000006 is an apocalyptic number.
2505000006 is an abundant number, since it is smaller than the sum of its proper divisors (3128676126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2505000006 is an equidigital number, since it uses as much as digits as its factorization.
2505000006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1718127 (or 1718112 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 2505000006 is about 50049.9750849089. The cubic root of 2505000006 is about 1358.1130127194.
Adding to 2505000006 its reverse (6000005052), we get a palindrome (8505005058).
The spelling of 2505000006 in words is "two billion, five hundred five million, six", and thus it is an aban number.
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