Base | Representation |
---|---|
bin | 1000111010100100… |
… | …1000001000100101 |
3 | 20011210010102000002 |
4 | 2032221020020211 |
5 | 14400121132033 |
6 | 1033245231045 |
7 | 113206255505 |
oct | 21651101045 |
9 | 6153112002 |
10 | 2393145893 |
11 | 1018960a26 |
12 | 569562485 |
13 | 2c1a58c78 |
14 | 189b97a05 |
15 | e01703e8 |
hex | 8ea48225 |
2393145893 has 6 divisors (see below), whose sum is σ = 2525730534. Its totient is φ = 2267190504.
The previous prime is 2393145869. The next prime is 2393145901. The reversal of 2393145893 is 3985413932.
It can be written as a sum of positive squares in only one way, i.e., 2362154404 + 30991489 = 48602^2 + 5567^2 .
It is not a de Polignac number, because 2393145893 - 28 = 2393145637 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2393145793) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3314246 + ... + 3314967.
It is an arithmetic number, because the mean of its divisors is an integer number (420955089).
Almost surely, 22393145893 is an apocalyptic number.
It is an amenable number.
2393145893 is a deficient number, since it is larger than the sum of its proper divisors (132584641).
2393145893 is an equidigital number, since it uses as much as digits as its factorization.
2393145893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6629251 (or 6629232 counting only the distinct ones).
The product of its digits is 699840, while the sum is 47.
The square root of 2393145893 is about 48919.7904022493. The cubic root of 2393145893 is about 1337.5901390673.
The spelling of 2393145893 in words is "two billion, three hundred ninety-three million, one hundred forty-five thousand, eight hundred ninety-three".
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