Search a number
-
+
287967940471 is a prime number
BaseRepresentation
bin1000011000011000011…
…10100000111101110111
31000112021222111001222201
410030030032200331313
514204224243043341
6340142440205331
726543054051521
oct4141416407567
91015258431881
10287967940471
11101143438952
1247987a69847
1321203150863
14dd1b17aa11
157756209331
hex430c3a0f77

287967940471 has 2 divisors, whose sum is σ = 287967940472. Its totient is φ = 287967940470.

The previous prime is 287967940453. The next prime is 287967940501. The reversal of 287967940471 is 174049769782.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 287967940471 - 27 = 287967940343 is a prime.

It is a super-3 number, since 3×2879679404713 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (287967949471) 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, 143983970235 + 143983970236.

It is an arithmetic number, because the mean of its divisors is an integer number (143983970236).

Almost surely, 2287967940471 is an apocalyptic number.

287967940471 is a deficient number, since it is larger than the sum of its proper divisors (1).

287967940471 is an equidigital number, since it uses as much as digits as its factorization.

287967940471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42674688, while the sum is 64.

The spelling of 287967940471 in words is "two hundred eighty-seven billion, nine hundred sixty-seven million, nine hundred forty thousand, four hundred seventy-one".