Base | Representation |
---|---|
bin | 1001110001110111… |
… | …0000001011010101 |
3 | 20202221111010001111 |
4 | 2130131300023111 |
5 | 20334002421310 |
6 | 1112251455021 |
7 | 122023342006 |
oct | 23435601325 |
9 | 6687433044 |
10 | 2625045205 |
11 | 1127851352 |
12 | 613157471 |
13 | 32ab018b3 |
14 | 1ac8c11ad |
15 | 1056cb28a |
hex | 9c7702d5 |
2625045205 has 4 divisors (see below), whose sum is σ = 3150054252. Its totient is φ = 2100036160.
The previous prime is 2625045161. The next prime is 2625045211. The reversal of 2625045205 is 5025405262.
It is a happy number.
2625045205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5025405262 = 2 ⋅2512702631.
It can be written as a sum of positive squares in 2 ways, for example, as 658743556 + 1966301649 = 25666^2 + 44343^2 .
It is not a de Polignac number, because 2625045205 - 27 = 2625045077 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262504516 + ... + 262504525.
It is an arithmetic number, because the mean of its divisors is an integer number (787513563).
Almost surely, 22625045205 is an apocalyptic number.
It is an amenable number.
2625045205 is a deficient number, since it is larger than the sum of its proper divisors (525009047).
2625045205 is an equidigital number, since it uses as much as digits as its factorization.
2625045205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 525009046.
The product of its (nonzero) digits is 24000, while the sum is 31.
The square root of 2625045205 is about 51235.1949835267. The cubic root of 2625045205 is about 1379.4700066954.
The spelling of 2625045205 in words is "two billion, six hundred twenty-five million, forty-five thousand, two hundred five".
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