Search a number
-
+
11212303200 = 2535273121529
BaseRepresentation
bin10100111000100111…
…00010101101100000
31001221101221000110220
422130103202231200
5140430322200300
65052330323040
7544565001420
oct123423425540
931841830426
1011212303200
11483406438a
12220ab89480
131098bcb947
14785176480
15459528da0
hex29c4e2b60

11212303200 has 288 divisors, whose sum is σ = 43057244160. Its totient is φ = 2480025600.

The previous prime is 11212303181. The next prime is 11212303213. The reversal of 11212303200 is 230321211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11212303200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 510036 + ... + 531564.

It is an arithmetic number, because the mean of its divisors is an integer number (149504320).

Almost surely, 211212303200 is an apocalyptic number.

11212303200 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 11212303200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21528622080).

11212303200 is an abundant number, since it is smaller than the sum of its proper divisors (31844940960).

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

11212303200 is a wasteful number, since it uses less digits than its factorization.

11212303200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21590 (or 21577 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11212303200 its reverse (230321211), we get a palindrome (11442624411).

The spelling of 11212303200 in words is "eleven billion, two hundred twelve million, three hundred three thousand, two hundred".