Search a number
-
+
6845650565471 is a prime number
BaseRepresentation
bin110001110011110000010…
…0100011111100101011111
3220020102211011021021222222
41203213200210133211133
51344124343021043341
622320503133255555
71304403413501624
oct143474044374537
926212734237888
106845650565471
1121aa251307703
129268966345bb
133a8707c3ba93
1419948cd7034b
15bd10ed7344b
hex639e091f95f

6845650565471 has 2 divisors, whose sum is σ = 6845650565472. Its totient is φ = 6845650565470.

The previous prime is 6845650565449. The next prime is 6845650565491. The reversal of 6845650565471 is 1745650565486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6845650565471 - 230 = 6844576823647 is a prime.

It is a super-3 number, since 3×68456505654713 (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6845650565491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3422825282735 + 3422825282736.

It is an arithmetic number, because the mean of its divisors is an integer number (3422825282736).

Almost surely, 26845650565471 is an apocalyptic number.

6845650565471 is a deficient number, since it is larger than the sum of its proper divisors (1).

6845650565471 is an equidigital number, since it uses as much as digits as its factorization.

6845650565471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960000, while the sum is 62.

The spelling of 6845650565471 in words is "six trillion, eight hundred forty-five billion, six hundred fifty million, five hundred sixty-five thousand, four hundred seventy-one".