Base | Representation |
---|---|
bin | 1000100110011101… |
… | …0111110110010101 |
3 | 12221220102012001011 |
4 | 2021213113312111 |
5 | 14212023044033 |
6 | 1021033332221 |
7 | 111133322011 |
oct | 21147276625 |
9 | 5856365034 |
10 | 2308799893 |
11 | a85291594 |
12 | 545267071 |
13 | 2aa4366aa |
14 | 17c8bd541 |
15 | d7a5dccd |
hex | 899d7d95 |
2308799893 has 4 divisors (see below), whose sum is σ = 2309017708. Its totient is φ = 2308582080.
The previous prime is 2308799891. The next prime is 2308799897. The reversal of 2308799893 is 3989978032.
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 442387089 + 1866412804 = 21033^2 + 43202^2 .
It is a cyclic number.
It is not a de Polignac number, because 2308799893 - 21 = 2308799891 is a prime.
It is a super-2 number, since 2×23087998932 = 10661113891833622898, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2308799891) 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, 92148 + ... + 114493.
It is an arithmetic number, because the mean of its divisors is an integer number (577254427).
Almost surely, 22308799893 is an apocalyptic number.
It is an amenable number.
2308799893 is a deficient number, since it is larger than the sum of its proper divisors (217815).
2308799893 is a wasteful number, since it uses less digits than its factorization.
2308799893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217814.
The product of its (nonzero) digits is 5878656, while the sum is 58.
The square root of 2308799893 is about 48049.9728720007. The cubic root of 2308799893 is about 1321.6874449442.
The spelling of 2308799893 in words is "two billion, three hundred eight million, seven hundred ninety-nine thousand, eight hundred ninety-three".
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