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2728518130080 = 2533510734717011
BaseRepresentation
bin100111101101001000010…
…110101001100110100000
3100122211210010020100201000
4213231020112221212200
5324201001120130310
65445244112512000
7401062136303001
oct47551026514640
910584703210630
102728518130080
11962181396726
1238097b24b600
1316a3b50813a2
14960bd4991a8
154ae95a464c0
hex27b485a99a0

2728518130080 has 384 divisors, whose sum is σ = 9667410600960. Its totient is φ = 718685291520.

The previous prime is 2728518130067. The next prime is 2728518130097. The reversal of 2728518130080 is 800318158272.

2728518130080 is a `hidden beast` number, since 2 + 7 + 28 + 518 + 1 + 30 + 0 + 80 = 666.

It is a super-2 number, since 2×27285181300802 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 63 ways as a sum of consecutive naturals, for example, 160388775 + ... + 160405785.

It is an arithmetic number, because the mean of its divisors is an integer number (25175548440).

Almost surely, 22728518130080 is an apocalyptic number.

2728518130080 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 2728518130080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4833705300480).

2728518130080 is an abundant number, since it is smaller than the sum of its proper divisors (6938892470880).

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

2728518130080 is a wasteful number, since it uses less digits than its factorization.

2728518130080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17489 (or 17475 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 2728518130080 in words is "two trillion, seven hundred twenty-eight billion, five hundred eighteen million, one hundred thirty thousand, eighty".