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330128728980 = 22355502145483
BaseRepresentation
bin1001100110111010011…
…01001010001110010100
31011120010020110001002020
410303131031022032110
520402100423311410
6411354204213140
732564616616341
oct4633515121624
91146106401066
10330128728980
11118009074316
1253b9353a1b0
1325191a85aab
1411d9a6d97c8
1588c2764a70
hex4cdd34a394

330128728980 has 24 divisors (see below), whose sum is σ = 924360441312. Its totient is φ = 88034327712.

The previous prime is 330128728939. The next prime is 330128728987. The reversal of 330128728980 is 89827821033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330128728987) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2751072682 + ... + 2751072801.

It is an arithmetic number, because the mean of its divisors is an integer number (38515018388).

Almost surely, 2330128728980 is an apocalyptic number.

330128728980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

330128728980 is an abundant number, since it is smaller than the sum of its proper divisors (594231712332).

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

330128728980 is a wasteful number, since it uses less digits than its factorization.

330128728980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502145495 (or 5502145493 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 330128728980 in words is "three hundred thirty billion, one hundred twenty-eight million, seven hundred twenty-eight thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5502145483 11004290966 16506436449 22008581932 27510727415 33012872898 55021454830 66025745796 82532182245 110042909660 165064364490 330128728980