Base | Representation |
---|---|
bin | 1011010010100011… |
… | …1110011100000011 |
3 | 21211012200111001021 |
4 | 2310220332130003 |
5 | 22201320443022 |
6 | 1220421050311 |
7 | 135050006155 |
oct | 26450763403 |
9 | 7735614037 |
10 | 3030640387 |
11 | 1315798a85 |
12 | 706b56997 |
13 | 393b51b48 |
14 | 20a700ad5 |
15 | 12b0e77c7 |
hex | b4a3e703 |
3030640387 has 4 divisors (see below), whose sum is σ = 3101120440. Its totient is φ = 2960160336.
The previous prime is 3030640373. The next prime is 3030640409. The reversal of 3030640387 is 7830460303.
It is a happy number.
3030640387 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.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3030640387 is a prime.
It is not an unprimeable number, because it can be changed into a prime (3030640307) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35239962 + ... + 35240047.
It is an arithmetic number, because the mean of its divisors is an integer number (775280110).
Almost surely, 23030640387 is an apocalyptic number.
3030640387 is a deficient number, since it is larger than the sum of its proper divisors (70480053).
3030640387 is an equidigital number, since it uses as much as digits as its factorization.
3030640387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70480052.
The product of its (nonzero) digits is 36288, while the sum is 34.
The square root of 3030640387 is about 55051.2523654095. The cubic root of 3030640387 is about 1447.1430686280.
The spelling of 3030640387 in words is "three billion, thirty million, six hundred forty thousand, three hundred eighty-seven".
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