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328331860220 = 2257133747227457
BaseRepresentation
bin1001100011100100001…
…10101001100011111100
31011101111000022122112102
410301302012221203330
520334410424011340
6410500015124232
732502240523040
oct4616206514374
91141430278472
10328331860220
11117276859211
1253771813678
1324c66721040
1411c69bda020
158819b29215
hex4c721a98fc

328331860220 has 384 divisors, whose sum is σ = 895967944704. Its totient is φ = 98300583936.

The previous prime is 328331860151. The next prime is 328331860223. The reversal of 328331860220 is 22068133823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328331860223) 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 127 ways as a sum of consecutive naturals, for example, 718450232 + ... + 718450688.

It is an arithmetic number, because the mean of its divisors is an integer number (2333249856).

Almost surely, 2328331860220 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 328331860220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447983972352).

328331860220 is an abundant number, since it is smaller than the sum of its proper divisors (567636084484).

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

328331860220 is a wasteful number, since it uses less digits than its factorization.

328331860220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 328331860220 in words is "three hundred twenty-eight billion, three hundred thirty-one million, eight hundred sixty thousand, two hundred twenty".