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11211213024 = 2533111637237
BaseRepresentation
bin10100111000011110…
…11000100011100000
31001221022212122001000
422130033120203200
5140430032304044
65052251112000
7544552511154
oct123417304340
931838778030
1011211213024
11483348a310
12220a742600
13109890967b
14784d71064
154593b0d69
hex29c3d88e0

11211213024 has 192 divisors, whose sum is σ = 35895847680. Its totient is φ = 3376028160.

The previous prime is 11211212983. The next prime is 11211213043. The reversal of 11211213024 is 42031211211.

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

It is a junction number, because it is equal to n+sod(n) for n = 11211212988 and 11211213006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1545534 + ... + 1552770.

It is an arithmetic number, because the mean of its divisors is an integer number (186957540).

Almost surely, 211211213024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11211213024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17947923840).

11211213024 is an abundant number, since it is smaller than the sum of its proper divisors (24684634656).

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

11211213024 is a wasteful number, since it uses less digits than its factorization.

11211213024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7430 (or 7416 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11211213024 its reverse (42031211211), we get a palindrome (53242424235).

The spelling of 11211213024 in words is "eleven billion, two hundred eleven million, two hundred thirteen thousand, twenty-four".