Search a number
-
+
13202404233231 = 344474519218989
BaseRepresentation
bin1100000000011110110010…
…0111010101000000001111
31201202010201020202220202010
43000013230213111000033
53212302010440430411
644025033433432303
72531561612242623
oct300075447250017
951663636686663
1013202404233231
114230121004a04
12159286a56b693
13749c9b115cb5
14338ddd549183
1517d658c1b7a6
hexc01ec9d500f

13202404233231 has 16 divisors (see below), whose sum is σ = 17611140761600. Its totient is φ = 8797636175328.

The previous prime is 13202404233209. The next prime is 13202404233247. The reversal of 13202404233231 is 13233240420231.

It is a happy number.

It is not a de Polignac number, because 13202404233231 - 25 = 13202404233199 is a prime.

It is a super-2 number, since 2×132024042332312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13202404232231) 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 in 15 ways as a sum of consecutive naturals, for example, 60178485 + ... + 60397473.

It is an arithmetic number, because the mean of its divisors is an integer number (1100696297600).

Almost surely, 213202404233231 is an apocalyptic number.

13202404233231 is a deficient number, since it is larger than the sum of its proper divisors (4408736528369).

13202404233231 is a wasteful number, since it uses less digits than its factorization.

13202404233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227958.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 13202404233231 its reverse (13233240420231), we get a palindrome (26435644653462).

The spelling of 13202404233231 in words is "thirteen trillion, two hundred two billion, four hundred four million, two hundred thirty-three thousand, two hundred thirty-one".

Divisors: 1 3 4447 4519 13341 13557 218989 656967 20095993 60287979 973844083 989611291 2921532249 2968833873 4400801411077 13202404233231