Base | Representation |
---|---|
bin | 1000100111011111… |
… | …1100011000111111 |
3 | 12222012120212212020 |
4 | 2021313330120333 |
5 | 14214131100441 |
6 | 1021310411223 |
7 | 111215253453 |
oct | 21167743077 |
9 | 5865525766 |
10 | 2313143871 |
11 | a87789255 |
12 | 546800b13 |
13 | 2ab2c79ac |
14 | 17d2d0663 |
15 | d811ae66 |
hex | 89dfc63f |
2313143871 has 4 divisors (see below), whose sum is σ = 3084191832. Its totient is φ = 1542095912.
The previous prime is 2313143867. The next prime is 2313143873. The reversal of 2313143871 is 1783413132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2313143871 - 22 = 2313143867 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2313143873) 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, 385523976 + ... + 385523981.
It is an arithmetic number, because the mean of its divisors is an integer number (771047958).
Almost surely, 22313143871 is an apocalyptic number.
2313143871 is a deficient number, since it is larger than the sum of its proper divisors (771047961).
2313143871 is an equidigital number, since it uses as much as digits as its factorization.
2313143871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 771047960.
The product of its digits is 12096, while the sum is 33.
The square root of 2313143871 is about 48095.1543401204. The cubic root of 2313143871 is about 1322.5158383996.
The spelling of 2313143871 in words is "two billion, three hundred thirteen million, one hundred forty-three thousand, eight hundred seventy-one".
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