Search a number
-
+
13223133212 = 225575934979
BaseRepresentation
bin11000101000010100…
…10000000000011100
31021010112122202200112
430110022100000130
5204040110230322
610024041345152
7645452530532
oct142412200034
937115582615
1013223133212
115676128773
1226904981b8
1313296985a3
148d6250152
15525d2a5e2
hex31429001c

13223133212 has 12 divisors (see below), whose sum is σ = 23182031880. Its totient is φ = 6599695536.

The previous prime is 13223133167. The next prime is 13223133221. The reversal of 13223133212 is 21233132231.

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, 2965262 + ... + 2969717.

It is an arithmetic number, because the mean of its divisors is an integer number (1931835990).

Almost surely, 213223133212 is an apocalyptic number.

It is an amenable number.

13223133212 is a deficient number, since it is larger than the sum of its proper divisors (9958898668).

13223133212 is a wasteful number, since it uses less digits than its factorization.

13223133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935540 (or 5935538 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 13223133212 its reverse (21233132231), we get a palindrome (34456265443).

The spelling of 13223133212 in words is "thirteen billion, two hundred twenty-three million, one hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 4 557 1114 2228 5934979 11869958 23739916 3305783303 6611566606 13223133212