Search a number
-
+
2052656869 is a prime number
BaseRepresentation
bin111101001011001…
…0000111011100101
312022001102202212111
41322112100323211
513200440004434
6535403321021
7101603203234
oct17226207345
95261382774
102052656869
1196374253a
12493520171
13269352b83
14156884b1b
15c0314964
hex7a590ee5

2052656869 has 2 divisors, whose sum is σ = 2052656870. Its totient is φ = 2052656868.

The previous prime is 2052656861. The next prime is 2052656899. The reversal of 2052656869 is 9686562502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1941459844 + 111197025 = 44062^2 + 10545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052656869 - 23 = 2052656861 is a prime.

It is a super-3 number, since 3×20526568693 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2052656861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026328434 + 1026328435.

It is an arithmetic number, because the mean of its divisors is an integer number (1026328435).

Almost surely, 22052656869 is an apocalyptic number.

It is an amenable number.

2052656869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2052656869 is an equidigital number, since it uses as much as digits as its factorization.

2052656869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The square root of 2052656869 is about 45306.2564001927. The cubic root of 2052656869 is about 1270.8826544365.

The spelling of 2052656869 in words is "two billion, fifty-two million, six hundred fifty-six thousand, eight hundred sixty-nine".