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328874772450 = 2352721719223317
BaseRepresentation
bin1001100100100100111…
…01101100011111100010
31011102212211220110002210
410302102131230133202
520342013420204300
6411025531422550
732521552304400
oct4622235543742
91142784813083
10328874772450
11117525265204
12538a35b4a56
132502204c393
1411cbbd62470
15884c61c050
hex4c9276c7e2

328874772450 has 864 divisors, whose sum is σ = 1109822788224. Its totient is φ = 63909457920.

The previous prime is 328874772419. The next prime is 328874772491. The reversal of 328874772450 is 54277478823.

328874772450 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 1037459692 + ... + 1037460008.

It is an arithmetic number, because the mean of its divisors is an integer number (1284517116).

Almost surely, 2328874772450 is an apocalyptic number.

328874772450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 328874772450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554911394112).

328874772450 is an abundant number, since it is smaller than the sum of its proper divisors (780948015774).

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

328874772450 is a wasteful number, since it uses less digits than its factorization.

328874772450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 57.

The spelling of 328874772450 in words is "three hundred twenty-eight billion, eight hundred seventy-four million, seven hundred seventy-two thousand, four hundred fifty".