Search a number
-
+
13022232012 = 2232361728667
BaseRepresentation
bin11000010000010111…
…10111110111001100
31020121112121221001100
430020023313313030
5203132142411022
65552103343100
7640463100666
oct141013676714
936545557040
1013022232012
11558278a719
122635151a90
1312c6b8703a
148b76b5536
155133941ac
hex3082f7dcc

13022232012 has 18 divisors (see below), whose sum is σ = 32917308788. Its totient is φ = 4340743992.

The previous prime is 13022231987. The next prime is 13022232059. The reversal of 13022232012 is 21023222031.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180864298 + ... + 180864369.

Almost surely, 213022232012 is an apocalyptic number.

13022232012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13022232012 is an abundant number, since it is smaller than the sum of its proper divisors (19895076776).

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

13022232012 is a wasteful number, since it uses less digits than its factorization.

13022232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361728677 (or 361728672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13022232012 its reverse (21023222031), we get a palindrome (34045454043).

The spelling of 13022232012 in words is "thirteen billion, twenty-two million, two hundred thirty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 361728667 723457334 1085186001 1446914668 2170372002 3255558003 4340744004 6511116006 13022232012