Search a number
-
+
11201243130 = 23257115330497
BaseRepresentation
bin10100110111010010…
…10110011111111010
31001220122010002220200
422123221112133322
5140420004240010
65051253303030
7544401665340
oct123351263772
931818102820
1011201243130
11482889a830
122207334a76
13109682871c
147838d7990
15458591cc0
hex29ba567fa

11201243130 has 192 divisors, whose sum is σ = 36995781888. Its totient is φ = 2283540480.

The previous prime is 11201243107. The next prime is 11201243143. The reversal of 11201243130 is 3134210211.

11201243130 is a `hidden beast` number, since 1 + 1 + 201 + 2 + 431 + 30 = 666.

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

It is a Curzon 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, 352042 + ... + 382538.

It is an arithmetic number, because the mean of its divisors is an integer number (192686364).

Almost surely, 211201243130 is an apocalyptic number.

11201243130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11201243130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18497890944).

11201243130 is an abundant number, since it is smaller than the sum of its proper divisors (25794538758).

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

11201243130 is a wasteful number, since it uses less digits than its factorization.

11201243130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30581 (or 30578 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11201243130 its reverse (3134210211), we get a palindrome (14335453341).

The spelling of 11201243130 in words is "eleven billion, two hundred one million, two hundred forty-three thousand, one hundred thirty".