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11212201433430 = 23251717348786981
BaseRepresentation
bin1010001100101000101101…
…0010001001100101010110
31110200212122121002101212200
42203022023102021211112
52432200042031332210
635502451512425330
72235024542461464
oct243121322114526
943625577071780
1011212201433430
113633082453698
121310bbb6a8246
136343c954460a
142aa95dd0b834
151469c5ddd0c0
hexa328b489956

11212201433430 has 192 divisors, whose sum is σ = 31109055239808. Its totient is φ = 2791999549440.

The previous prime is 11212201433399. The next prime is 11212201433437. The reversal of 11212201433430 is 3433410221211.

11212201433430 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 220 + 1 + 4 + 3 + 3 + 430 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11212201433394 and 11212201433403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212201433437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 128860540 + ... + 128947520.

It is an arithmetic number, because the mean of its divisors is an integer number (162026329374).

Almost surely, 211212201433430 is an apocalyptic number.

11212201433430 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 11212201433430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15554527619904).

11212201433430 is an abundant number, since it is smaller than the sum of its proper divisors (19896853806378).

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

11212201433430 is a wasteful number, since it uses less digits than its factorization.

11212201433430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87671 (or 87668 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 11212201433430 its reverse (3433410221211), we get a palindrome (14645611654641).

The spelling of 11212201433430 in words is "eleven trillion, two hundred twelve billion, two hundred one million, four hundred thirty-three thousand, four hundred thirty".