Base | Representation |
---|---|
bin | 111101100010110… |
… | …0111010011101011 |
3 | 12022220210101111211 |
4 | 1323011213103223 |
5 | 13212124204131 |
6 | 540525333551 |
7 | 102113541115 |
oct | 17305472353 |
9 | 5286711454 |
10 | 2065069291 |
11 | 96a75013a |
12 | 4977072b7 |
13 | 26baaa7bc |
14 | 1583963b5 |
15 | c14675b1 |
hex | 7b1674eb |
2065069291 has 4 divisors (see below), whose sum is σ = 2084369112. Its totient is φ = 2045769472.
The previous prime is 2065069261. The next prime is 2065069297. The reversal of 2065069291 is 1929605602.
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 2065069291 - 27 = 2065069163 is a prime.
It is a super-2 number, since 2×20650692912 = 8529022353262485362, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2065069297) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9649750 + ... + 9649963.
It is an arithmetic number, because the mean of its divisors is an integer number (521092278).
Almost surely, 22065069291 is an apocalyptic number.
2065069291 is a deficient number, since it is larger than the sum of its proper divisors (19299821).
2065069291 is a wasteful number, since it uses less digits than its factorization.
2065069291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19299820.
The product of its (nonzero) digits is 58320, while the sum is 40.
The square root of 2065069291 is about 45443.0334704892. The cubic root of 2065069291 is about 1273.4391852480.
The spelling of 2065069291 in words is "two billion, sixty-five million, sixty-nine thousand, two hundred ninety-one".
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