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328310028500 = 2253656620057
BaseRepresentation
bin1001100011100001100…
…11010111100011010100
31011101102111020111001012
410301300303113203110
520334334331403000
6410453515151352
732501554124516
oct4616063274324
91141374214035
10328310028500
111172654a7773
1253766445558
1324c62048c6c
1411c66d55bb6
158817c65735
hex4c70cd78d4

328310028500 has 24 divisors (see below), whose sum is σ = 717029103336. Its totient is φ = 131324011200.

The previous prime is 328310028499. The next prime is 328310028517. The reversal of 328310028500 is 5820013823.

It can be written as a sum of positive squares in 4 ways, for example, as 18232560784 + 310077467716 = 135028^2 + 556846^2 .

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 7 ways as a sum of consecutive naturals, for example, 328309529 + ... + 328310528.

It is an arithmetic number, because the mean of its divisors is an integer number (29876212639).

Almost surely, 2328310028500 is an apocalyptic number.

It is an amenable number.

328310028500 is an abundant number, since it is smaller than the sum of its proper divisors (388719074836).

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

328310028500 is a wasteful number, since it uses less digits than its factorization.

328310028500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656620076 (or 656620064 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 328310028500 in words is "three hundred twenty-eight billion, three hundred ten million, twenty-eight thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 656620057 1313240114 2626480228 3283100285 6566200570 13132401140 16415501425 32831002850 65662005700 82077507125 164155014250 328310028500