Search a number
-
+
443320420205 = 51319245741341
BaseRepresentation
bin1100111001101111111…
…01001100011101101101
31120101021202120201201102
412130313331030131231
524230410011421310
6535354131052445
744012615253125
oct6346775143555
91511252521642
10443320420205
11161013902273
1271b03141125
1332a605a2690
1417657743c85
15b7e9b688a5
hex6737f4c76d

443320420205 has 48 divisors (see below), whose sum is σ = 605984090544. Its totient is φ = 309458672640.

The previous prime is 443320420121. The next prime is 443320420219. The reversal of 443320420205 is 502024023344.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 25193943076 + 418126477129 = 158726^2 + 646627^2 .

It is not a de Polignac number, because 443320420205 - 226 = 443253311341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10702835 + ... + 10744175.

It is an arithmetic number, because the mean of its divisors is an integer number (12624668553).

Almost surely, 2443320420205 is an apocalyptic number.

It is an amenable number.

443320420205 is a deficient number, since it is larger than the sum of its proper divisors (162663670339).

443320420205 is a wasteful number, since it uses less digits than its factorization.

443320420205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41854 (or 41835 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 443320420205 its reverse (502024023344), we get a palindrome (945344443549).

The spelling of 443320420205 in words is "four hundred forty-three billion, three hundred twenty million, four hundred twenty thousand, two hundred five".

Divisors: 1 5 13 19 65 95 247 361 457 1235 1805 2285 4693 5941 8683 23465 29705 41341 43415 112879 164977 206705 537433 564395 785479 824885 2144701 2687165 3927395 10211227 10723505 14924101 18892837 51056135 74620505 94464185 194013313 245606881 358963903 970066565 1228034405 1794819515 4666530739 6820314157 23332653695 34101570785 88664084041 443320420205