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30203243424 = 2532130780239
BaseRepresentation
bin11100001000010000…
…001110101110100000
32212221220201201221100
4130020100032232200
5443324012242144
621513012154400
72116315222164
oct341020165640
985856651840
1030203243424
1111899a41902
125a2b008a00
132b04516793
141667432ca4
15bbb8c4269
hex70840eba0

30203243424 has 72 divisors (see below), whose sum is σ = 85957260480. Its totient is φ = 10059919488.

The previous prime is 30203243383. The next prime is 30203243471. The reversal of 30203243424 is 42434230203.

30203243424 is a `hidden beast` number, since 3 + 0 + 203 + 2 + 434 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336297 + ... + 416535.

It is an arithmetic number, because the mean of its divisors is an integer number (1193850840).

Almost surely, 230203243424 is an apocalyptic number.

It is an amenable number.

30203243424 is an abundant number, since it is smaller than the sum of its proper divisors (55754017056).

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

30203243424 is a wasteful number, since it uses less digits than its factorization.

30203243424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81562 (or 81551 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 30203243424 its reverse (42434230203), we get a palindrome (72637473627).

The spelling of 30203243424 in words is "thirty billion, two hundred three million, two hundred forty-three thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 1307 2614 3921 5228 7842 10456 11763 15684 20912 23526 31368 41824 47052 62736 80239 94104 125472 160478 188208 240717 320956 376416 481434 641912 722151 962868 1283824 1444302 1925736 2567648 2888604 3851472 5777208 7702944 11554416 23108832 104872373 209744746 314617119 419489492 629234238 838978984 943851357 1258468476 1677957968 1887702714 2516936952 3355915936 3775405428 5033873904 7550810856 10067747808 15101621712 30203243424