Search a number
-
+
13242323420 = 225662116171
BaseRepresentation
bin11000101010100110…
…11101000111011100
31021011212202201200222
430111103131013130
5204110013322140
610030004540512
7646104614624
oct142523350734
937155681628
1013242323420
115685a45647
1226969b1738
131330657241
148d8a07884
1552786b5b5
hex3154dd1dc

13242323420 has 12 divisors (see below), whose sum is σ = 27808879224. Its totient is φ = 5296929360.

The previous prime is 13242323407. The next prime is 13242323483. The reversal of 13242323420 is 2432324231.

It is a self number, because there is not a number n which added to its sum of digits gives 13242323420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331058066 + ... + 331058105.

It is an arithmetic number, because the mean of its divisors is an integer number (2317406602).

Almost surely, 213242323420 is an apocalyptic number.

13242323420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13242323420 is an abundant number, since it is smaller than the sum of its proper divisors (14566555804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13242323420 is a wasteful number, since it uses less digits than its factorization.

13242323420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662116180 (or 662116178 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 13242323420 its reverse (2432324231), we get a palindrome (15674647651).

The spelling of 13242323420 in words is "thirteen billion, two hundred forty-two million, three hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 662116171 1324232342 2648464684 3310580855 6621161710 13242323420