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30204413440 = 29511798599
BaseRepresentation
bin11100001000010100…
…101100011000000000
32212221222221011220021
4130020110230120000
5443324312212230
621513053223224
72116331164255
oct341024543000
985858834807
1030204413440
111189a670963
125a2b491b14
132b048361b6
14166765942c
15bbba55c7a
hex70852c600

30204413440 has 40 divisors (see below), whose sum is σ = 72419806800. Its totient is φ = 12081764352.

The previous prime is 30204413431. The next prime is 30204413479. The reversal of 30204413440 is 4431440203.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5896740 + ... + 5901859.

It is an arithmetic number, because the mean of its divisors is an integer number (1810495170).

Almost surely, 230204413440 is an apocalyptic number.

It is an amenable number.

30204413440 is an abundant number, since it is smaller than the sum of its proper divisors (42215393360).

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

30204413440 is an equidigital number, since it uses as much as digits as its factorization.

30204413440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11798622 (or 11798606 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 30204413440 its reverse (4431440203), we get a palindrome (34635853643).

The spelling of 30204413440 in words is "thirty billion, two hundred four million, four hundred thirteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 11798599 23597198 47194396 58992995 94388792 117985990 188777584 235971980 377555168 471943960 755110336 943887920 1510220672 1887775840 3020441344 3775551680 6040882688 7551103360 15102206720 30204413440