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2728441830400 = 2105211131939227
BaseRepresentation
bin100111101101000011110…
…011100101110000000000
3100122211120210122221012221
4213231003303211300000
5324200322102033100
65445232345300424
7401060221620646
oct47550363456000
910584523587187
102728441830400
11962142312640
12380959794714
1316a3a2318350
14960b32b7196
154ae8dec401a
hex27b43ce5c00

2728441830400 has 528 divisors, whose sum is σ = 8364018418560. Its totient is φ = 867616358400.

The previous prime is 2728441830391. The next prime is 2728441830431. The reversal of 2728441830400 is 40381448272.

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 47 ways as a sum of consecutive naturals, for example, 69535587 + ... + 69574813.

Almost surely, 22728441830400 is an apocalyptic number.

2728441830400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2728441830400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4182009209280).

2728441830400 is an abundant number, since it is smaller than the sum of its proper divisors (5635576588160).

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

2728441830400 is a wasteful number, since it uses less digits than its factorization.

2728441830400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39300 (or 39277 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 43.

The spelling of 2728441830400 in words is "two trillion, seven hundred twenty-eight billion, four hundred forty-one million, eight hundred thirty thousand, four hundred".