Base | Representation |
---|---|
bin | 1001110011001000… |
… | …1000011000101101 |
3 | 20210022112111221211 |
4 | 2130302020120231 |
5 | 20341334342440 |
6 | 1113002154421 |
7 | 122116631323 |
oct | 23462103055 |
9 | 6708474854 |
10 | 2630387245 |
11 | 112a86a962 |
12 | 614ab2a11 |
13 | 32bc52275 |
14 | 1ad4b1d13 |
15 | 105dd3eea |
hex | 9cc8862d |
2630387245 has 4 divisors (see below), whose sum is σ = 3156464700. Its totient is φ = 2104309792.
The previous prime is 2630387171. The next prime is 2630387273. The reversal of 2630387245 is 5427830362.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 599172484 + 2031214761 = 24478^2 + 45069^2 .
It is a cyclic number.
It is not a de Polignac number, because 2630387245 - 217 = 2630256173 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2630387198 and 2630387207.
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, 263038720 + ... + 263038729.
It is an arithmetic number, because the mean of its divisors is an integer number (789116175).
Almost surely, 22630387245 is an apocalyptic number.
It is an amenable number.
2630387245 is a deficient number, since it is larger than the sum of its proper divisors (526077455).
2630387245 is an equidigital number, since it uses as much as digits as its factorization.
2630387245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 526077454.
The product of its (nonzero) digits is 241920, while the sum is 40.
The square root of 2630387245 is about 51287.3010110690. The cubic root of 2630387245 is about 1380.4051259273.
The spelling of 2630387245 in words is "two billion, six hundred thirty million, three hundred eighty-seven thousand, two hundred forty-five".
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