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30003123320 = 235750078083
BaseRepresentation
bin11011111100010100…
…110101010001111000
32212102222011120202122
4123330110311101320
5442421244421240
621441103020412
72111335224512
oct337424652170
985388146678
1030003123320
11117a6a87695
125993b9a708
132aa1c19911
141648a1cbb2
15ba90444b5
hex6fc535478

30003123320 has 16 divisors (see below), whose sum is σ = 67507027560. Its totient is φ = 12001249312.

The previous prime is 30003123259. The next prime is 30003123343. The reversal of 30003123320 is 2332130003.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 375039002 + ... + 375039081.

Almost surely, 230003123320 is an apocalyptic number.

It is an amenable number.

30003123320 is an abundant number, since it is smaller than the sum of its proper divisors (37503904240).

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

30003123320 is a wasteful number, since it uses less digits than its factorization.

30003123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750078094 (or 750078090 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 30003123320 its reverse (2332130003), we get a palindrome (32335253323).

The spelling of 30003123320 in words is "thirty billion, three million, one hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 750078083 1500156166 3000312332 3750390415 6000624664 7500780830 15001561660 30003123320