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328430612800 = 26521132636907
BaseRepresentation
bin1001100011101111111…
…11010111000101000000
31011101201220010210121101
410301313333113011000
520340111214102200
6410513503504144
732504550101323
oct4616777270500
91141656123541
10328430612800
11117317578514
125379a8b8054
1324c81018b14
1411c78d847ba
15882363426a
hex4c77fd7140

328430612800 has 168 divisors, whose sum is σ = 818514772416. Its totient is φ = 129695784960.

The previous prime is 328430612777. The next prime is 328430612857. The reversal of 328430612800 is 8216034823.

It is a self number, because there is not a number n which added to its sum of digits gives 328430612800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47546947 + ... + 47553853.

Almost surely, 2328430612800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328430612800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409257386208).

328430612800 is an abundant number, since it is smaller than the sum of its proper divisors (490084159616).

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

328430612800 is a wasteful number, since it uses less digits than its factorization.

328430612800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7305 (or 7290 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 328430612800 in words is "three hundred twenty-eight billion, four hundred thirty million, six hundred twelve thousand, eight hundred".