Search a number
-
+
13201031112 = 233550042963
BaseRepresentation
bin11000100101101011…
…11011111111001000
31021002000001212022020
430102311323333020
5204013430443422
610021531524440
7645063625113
oct142265737710
937060055266
1013201031112
115664702075
122684bb9720
131324c2a419
148d333957a
15523e1195c
hex312d7bfc8

13201031112 has 16 divisors (see below), whose sum is σ = 33002577840. Its totient is φ = 4400343696.

The previous prime is 13201031059. The next prime is 13201031113. The reversal of 13201031112 is 21113010231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13201031091 and 13201031100.

It is not an unprimeable number, because it can be changed into a prime (13201031113) 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, 275021458 + ... + 275021505.

It is an arithmetic number, because the mean of its divisors is an integer number (2062661115).

Almost surely, 213201031112 is an apocalyptic number.

13201031112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13201031112 is an abundant number, since it is smaller than the sum of its proper divisors (19801546728).

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

13201031112 is a wasteful number, since it uses less digits than its factorization.

13201031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550042972 (or 550042968 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13201031112 its reverse (21113010231), we get a palindrome (34314041343).

The spelling of 13201031112 in words is "thirteen billion, two hundred one million, thirty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 550042963 1100085926 1650128889 2200171852 3300257778 4400343704 6600515556 13201031112