Base | Representation |
---|---|
bin | 111101100010111… |
… | …0011101101000111 |
3 | 12022220212222011120 |
4 | 1323011303231013 |
5 | 13212132320241 |
6 | 540530405023 |
7 | 102114142140 |
oct | 17305635507 |
9 | 5286788146 |
10 | 2065120071 |
11 | 96a785303 |
12 | 497730773 |
13 | 26bac7951 |
14 | 1583aaac7 |
15 | c1477666 |
hex | 7b173b47 |
2065120071 has 16 divisors (see below), whose sum is σ = 3162829824. Its totient is φ = 1174076064.
The previous prime is 2065120069. The next prime is 2065120111. The reversal of 2065120071 is 1700215602.
It is not a de Polignac number, because 2065120071 - 21 = 2065120069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2065120171) 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 15 ways as a sum of consecutive naturals, for example, 245455 + ... + 253728.
It is an arithmetic number, because the mean of its divisors is an integer number (197676864).
Almost surely, 22065120071 is an apocalyptic number.
2065120071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2065120071 is a deficient number, since it is larger than the sum of its proper divisors (1097709753).
2065120071 is a wasteful number, since it uses less digits than its factorization.
2065120071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 499390.
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 2065120071 is about 45443.5921885583. The cubic root of 2065120071 is about 1273.4496231079.
Adding to 2065120071 its reverse (1700215602), we get a palindrome (3765335673).
The spelling of 2065120071 in words is "two billion, sixty-five million, one hundred twenty thousand, seventy-one".
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