Base | Representation |
---|---|
bin | 10111010010010010… |
… | …111110001001101000 |
3 | 2101112111121021022222 |
4 | 113102102332021220 |
5 | 402201233300000 |
6 | 15253005333212 |
7 | 1543412130422 |
oct | 272222761150 |
9 | 71474537288 |
10 | 25003025000 |
11 | a670612828 |
12 | 4a19567208 |
13 | 2486055365 |
14 | 12d2933812 |
15 | 9b50bda85 |
hex | 5d24be268 |
25003025000 has 48 divisors (see below), whose sum is σ = 58597147980. Its totient is φ = 10001200000.
The previous prime is 25003024987. The next prime is 25003025011. The reversal of 25003025000 is 52030052.
It can be written as a sum of positive squares in 6 ways, for example, as 18164644 + 24984860356 = 4262^2 + 158066^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 25003025000.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 475061 + ... + 525060.
Almost surely, 225003025000 is an apocalyptic number.
25003025000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25003025000 is an abundant number, since it is smaller than the sum of its proper divisors (33594122980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25003025000 is an equidigital number, since it uses as much as digits as its factorization.
25003025000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1000152 (or 1000128 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 17.
Adding to 25003025000 its reverse (52030052), we get a palindrome (25055055052).
The spelling of 25003025000 in words is "twenty-five billion, three million, twenty-five thousand".
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