Base | Representation |
---|---|
bin | 1010101011111011… |
… | …0111101101101001 |
3 | 21101220210101012011 |
4 | 2222332313231221 |
5 | 21333330422344 |
6 | 1152352115521 |
7 | 131041523122 |
oct | 25276675551 |
9 | 7356711164 |
10 | 2868607849 |
11 | 1242288598 |
12 | 680835ba1 |
13 | 3693cc1c3 |
14 | 1d2da3049 |
15 | 11bc8cd34 |
hex | aafb7b69 |
2868607849 has 4 divisors (see below), whose sum is σ = 2868785920. Its totient is φ = 2868429780.
The previous prime is 2868607843. The next prime is 2868607879. The reversal of 2868607849 is 9487068682.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2868607849 - 29 = 2868607337 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2868607793 and 2868607802.
It is not an unprimeable number, because it can be changed into a prime (2868607843) 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, 62169 + ... + 97990.
It is an arithmetic number, because the mean of its divisors is an integer number (717196480).
Almost surely, 22868607849 is an apocalyptic number.
It is an amenable number.
2868607849 is a deficient number, since it is larger than the sum of its proper divisors (178071).
2868607849 is a wasteful number, since it uses less digits than its factorization.
2868607849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178070.
The product of its (nonzero) digits is 9289728, while the sum is 58.
The square root of 2868607849 is about 53559.3861895373. The cubic root of 2868607849 is about 1420.8788860880.
The spelling of 2868607849 in words is "two billion, eight hundred sixty-eight million, six hundred seven thousand, eight hundred forty-nine".
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