Search a number
-
+
13201322122 = 214894432949
BaseRepresentation
bin11000100101101110…
…00011000010001010
31021002000121122111101
430102313003002022
5204014014301442
610021542052014
7645066246412
oct142267030212
937060548441
1013201322122
11566489077a
12268511a00a
131324ccca11
148d33b3642
15523e6ccb7
hex312dc308a

13201322122 has 8 divisors (see below), whose sum is σ = 19815286500. Its totient is φ = 6596226624.

The previous prime is 13201322107. The next prime is 13201322129. The reversal of 13201322122 is 22122310231.

It can be written as a sum of positive squares in 2 ways, for example, as 13011736761 + 189585361 = 114069^2 + 13769^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13201322122.

It is not an unprimeable number, because it can be changed into a prime (13201322129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213497 + ... + 2219452.

Almost surely, 213201322122 is an apocalyptic number.

13201322122 is a deficient number, since it is larger than the sum of its proper divisors (6613964378).

13201322122 is a wasteful number, since it uses less digits than its factorization.

13201322122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434440.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13201322122 its reverse (22122310231), we get a palindrome (35323632353).

The spelling of 13201322122 in words is "thirteen billion, two hundred one million, three hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 1489 2978 4432949 8865898 6600661061 13201322122