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30112212302200 = 23527193563197947
BaseRepresentation
bin1101101100011000010111…
…01101111011100101111000
310221121200212211221022221201
412312030023231323211320
512421324302322132300
6144013205342143544
76225351456254260
oct666141355734570
9127550784838851
1030112212302200
11965a576903596
123463b46b81bb4
1313a57530871c2
147616202d07a0
1537344b21d66a
hex1b630bb7b978

30112212302200 has 192 divisors, whose sum is σ = 80570283528960. Its totient is φ = 10252399288320.

The previous prime is 30112212302191. The next prime is 30112212302201. The reversal of 30112212302200 is 220321221103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112212302201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152023627 + ... + 152221573.

It is an arithmetic number, because the mean of its divisors is an integer number (419636893380).

Almost surely, 230112212302200 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 30112212302200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40285141764480).

30112212302200 is an abundant number, since it is smaller than the sum of its proper divisors (50458071226760).

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

30112212302200 is a wasteful number, since it uses less digits than its factorization.

30112212302200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198726 (or 198717 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30112212302200 its reverse (220321221103), we get a palindrome (30332533523303).

The spelling of 30112212302200 in words is "thirty trillion, one hundred twelve billion, two hundred twelve million, three hundred two thousand, two hundred".