Search a number
-
+
13201211100 = 223527112324847
BaseRepresentation
bin11000100101101101…
…00111111011011100
31021002000102000012110
430102312213323130
5204014002223400
610021535434020
7645065304630
oct142266477334
937060360173
1013201211100
115664815320
122685085910
131324c9131c
148d3384dc0
15523e49e50
hex312da7edc

13201211100 has 288 divisors, whose sum is σ = 49692819456. Its totient is φ = 2623737600.

The previous prime is 13201211071. The next prime is 13201211131. The reversal of 13201211100 is 111210231.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 518877 + ... + 543723.

It is an arithmetic number, because the mean of its divisors is an integer number (172544512).

Almost surely, 213201211100 is an apocalyptic number.

13201211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13201211100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24846409728).

13201211100 is an abundant number, since it is smaller than the sum of its proper divisors (36491608356).

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

13201211100 is a wasteful number, since it uses less digits than its factorization.

13201211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24905 (or 24898 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 13201211100 its reverse (111210231), we get a palindrome (13312421331).

The spelling of 13201211100 in words is "thirteen billion, two hundred one million, two hundred eleven thousand, one hundred".