Search a number
-
+
4787117449 is a prime number
BaseRepresentation
bin1000111010101010…
…11001110110001001
3110100121210202121021
410131111121312021
534301000224244
62111004312441
7226425553432
oct43525316611
913317722537
104787117449
112037226214
12b17242721
135b3a1399a
14335ac8489
151d0405284
hex11d559d89

4787117449 has 2 divisors, whose sum is σ = 4787117450. Its totient is φ = 4787117448.

The previous prime is 4787117441. The next prime is 4787117471. The reversal of 4787117449 is 9447117874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3903125625 + 883991824 = 62475^2 + 29732^2 .

It is a cyclic number.

It is not a de Polignac number, because 4787117449 - 23 = 4787117441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4787117396 and 4787117405.

It is not a weakly prime, because it can be changed into another prime (4787117441) 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, 2393558724 + 2393558725.

It is an arithmetic number, because the mean of its divisors is an integer number (2393558725).

Almost surely, 24787117449 is an apocalyptic number.

It is an amenable number.

4787117449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4787117449 is an equidigital number, since it uses as much as digits as its factorization.

4787117449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1580544, while the sum is 52.

The square root of 4787117449 is about 69188.9980343696. The cubic root of 4787117449 is about 1685.3548723516.

The spelling of 4787117449 in words is "four billion, seven hundred eighty-seven million, one hundred seventeen thousand, four hundred forty-nine".