Search a number
-
+
441974641293 = 347374746261
BaseRepresentation
bin1100110111001111011…
…11011101001010001101
31120020210222021002010000
412123213233131022031
524220131002010133
6535012414234513
743634354315343
oct6334757351215
91506728232100
10441974641293
11160493187699
12717a84b5a39
13328a78296b3
141756ab07993
15b76b934413
hex66e7bdd28d

441974641293 has 20 divisors (see below), whose sum is σ = 669278029948. Its totient is φ = 290613458880.

The previous prime is 441974641271. The next prime is 441974641343. The reversal of 441974641293 is 392146479144.

It is a happy number.

441974641293 is a `hidden beast` number, since 4 + 4 + 1 + 97 + 464 + 1 + 2 + 93 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 368870378409 + 73104262884 = 607347^2 + 270378^2 .

It is not a de Polignac number, because 441974641293 - 25 = 441974641261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441974641223) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37367218 + ... + 37379043.

Almost surely, 2441974641293 is an apocalyptic number.

It is an amenable number.

441974641293 is a deficient number, since it is larger than the sum of its proper divisors (227303388655).

441974641293 is an equidigital number, since it uses as much as digits as its factorization.

441974641293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74746346 (or 74746337 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 441974641293 in words is "four hundred forty-one billion, nine hundred seventy-four million, six hundred forty-one thousand, two hundred ninety-three".

Divisors: 1 3 9 27 73 81 219 657 1971 5913 74746261 224238783 672716349 2018149047 5456477053 6054447141 16369431159 49108293477 147324880431 441974641293