Search a number
-
+
27870332089 is a prime number
BaseRepresentation
bin11001111101001100…
…111000010010111001
32122221022221120012211
4121331030320102321
5424034301111324
620445313535121
72004436625335
oct317514702271
978838846184
1027870332089
1110902092006
1254998744a1
1328220ba482
1414c56787c5
15ad1ba1294
hex67d3384b9

27870332089 has 2 divisors, whose sum is σ = 27870332090. Its totient is φ = 27870332088.

The previous prime is 27870332059. The next prime is 27870332107. The reversal of 27870332089 is 98023307872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27090526464 + 779805625 = 164592^2 + 27925^2 .

It is a cyclic number.

It is not a de Polignac number, because 27870332089 - 217 = 27870201017 is a prime.

It is a super-2 number, since 2×278703320892 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27870332059) 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 as a sum of consecutive naturals, namely, 13935166044 + 13935166045.

It is an arithmetic number, because the mean of its divisors is an integer number (13935166045).

Almost surely, 227870332089 is an apocalyptic number.

It is an amenable number.

27870332089 is a deficient number, since it is larger than the sum of its proper divisors (1).

27870332089 is an equidigital number, since it uses as much as digits as its factorization.

27870332089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 27870332089 in words is "twenty-seven billion, eight hundred seventy million, three hundred thirty-two thousand, eighty-nine".