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30132320320 = 26594163501
BaseRepresentation
bin11100000100000001…
…101011100001000000
32212202222021110201201
4130010001223201000
5443202333222240
621502000110544
72114464332244
oct340401534100
985688243651
1030132320320
1111862a00273
125a0b305454
132ac2913a4b
14165bc50424
15bb5564d9a
hex70406b840

30132320320 has 28 divisors (see below), whose sum is σ = 71752588524. Its totient is φ = 12052928000.

The previous prime is 30132320291. The next prime is 30132320329. The reversal of 30132320320 is 2302323103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7278137344 + 22854182976 = 85312^2 + 151176^2 .

It is not an unprimeable number, because it can be changed into a prime (30132320329) by changing a digit.

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, 47081431 + ... + 47082070.

Almost surely, 230132320320 is an apocalyptic number.

It is an amenable number.

30132320320 is an abundant number, since it is smaller than the sum of its proper divisors (41620268204).

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

30132320320 is an equidigital number, since it uses as much as digits as its factorization.

30132320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94163518 (or 94163508 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30132320320 its reverse (2302323103), we get a palindrome (32434643423).

The spelling of 30132320320 in words is "thirty billion, one hundred thirty-two million, three hundred twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 94163501 188327002 376654004 470817505 753308008 941635010 1506616016 1883270020 3013232032 3766540040 6026464064 7533080080 15066160160 30132320320