Search a number
-
+
94472868689 is a prime number
BaseRepresentation
bin101011111111100000…
…1011001001101010001
3100000211222100222110122
41113333001121031101
53021440023244224
6111222241240025
76553061064023
oct1277701311521
9300758328418
1094472868689
113707a520591
1216386933015
138ba76b9744
144802d84013
1526cddab15e
hex15ff059351

94472868689 has 2 divisors, whose sum is σ = 94472868690. Its totient is φ = 94472868688.

The previous prime is 94472868661. The next prime is 94472868719. The reversal of 94472868689 is 98686827449.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83540075089 + 10932793600 = 289033^2 + 104560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-94472868689 is a prime.

It is not a weakly prime, because it can be changed into another prime (94472868649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47236434344 + 47236434345.

It is an arithmetic number, because the mean of its divisors is an integer number (47236434345).

Almost surely, 294472868689 is an apocalyptic number.

It is an amenable number.

94472868689 is a deficient number, since it is larger than the sum of its proper divisors (1).

94472868689 is an equidigital number, since it uses as much as digits as its factorization.

94472868689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 334430208, while the sum is 71.

The spelling of 94472868689 in words is "ninety-four billion, four hundred seventy-two million, eight hundred sixty-eight thousand, six hundred eighty-nine".