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11211213030 = 235373707101
BaseRepresentation
bin10100111000011110…
…11000100011100110
31001221022212122001020
422130033120203212
5140430032304110
65052251112010
7544552511163
oct123417304346
931838778036
1011211213030
11483348a316
12220a742606
131098909684
14784d7106a
154593b0d70
hex29c3d88e6

11211213030 has 16 divisors (see below), whose sum is σ = 26906911344. Its totient is φ = 2989656800.

The previous prime is 11211212983. The next prime is 11211213043. The reversal of 11211213030 is 3031211211.

It is a happy number.

11211213030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186853521 + ... + 186853580.

It is an arithmetic number, because the mean of its divisors is an integer number (1681681959).

Almost surely, 211211213030 is an apocalyptic number.

11211213030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211213030 is an abundant number, since it is smaller than the sum of its proper divisors (15695698314).

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

11211213030 is a wasteful number, since it uses less digits than its factorization.

11211213030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373707111.

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

Adding to 11211213030 its reverse (3031211211), we get a palindrome (14242424241).

The spelling of 11211213030 in words is "eleven billion, two hundred eleven million, two hundred thirteen thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 373707101 747414202 1121121303 1868535505 2242242606 3737071010 5605606515 11211213030