Base | Representation |
---|---|
bin | 111101101000111… |
… | …0101001010000101 |
3 | 12100010211002110101 |
4 | 1323101311022011 |
5 | 13213434143444 |
6 | 541122124101 |
7 | 102153006535 |
oct | 17321651205 |
9 | 5303732411 |
10 | 2068271749 |
11 | 9715381a5 |
12 | 4987b0631 |
13 | 26c65c34b |
14 | 15898b4c5 |
15 | c189b3d4 |
hex | 7b475285 |
2068271749 has 4 divisors (see below), whose sum is σ = 2116371136. Its totient is φ = 2020172364.
The previous prime is 2068271743. The next prime is 2068271797. The reversal of 2068271749 is 9471728602.
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 2068271749 - 25 = 2068271717 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2068271699 and 2068271708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2068271743) 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, 24049629 + ... + 24049714.
It is an arithmetic number, because the mean of its divisors is an integer number (529092784).
Almost surely, 22068271749 is an apocalyptic number.
It is an amenable number.
2068271749 is a deficient number, since it is larger than the sum of its proper divisors (48099387).
2068271749 is an equidigital number, since it uses as much as digits as its factorization.
2068271749 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48099386.
The product of its (nonzero) digits is 338688, while the sum is 46.
The square root of 2068271749 is about 45478.2557822967. The cubic root of 2068271749 is about 1274.0971178492.
The spelling of 2068271749 in words is "two billion, sixty-eight million, two hundred seventy-one thousand, seven hundred forty-nine".
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