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2728646130775 = 52389280580579
BaseRepresentation
bin100111101101001111111…
…110111011110001010111
3100122212010001002110122111
4213231033332323301113
5324201231402141100
65445304524211451
7401065252265605
oct47551776736127
910585101073574
102728646130775
11962237672524
123809b6099b87
1316a405749b46
14960d2498875
154aea1dcc6ba
hex27b4ffbbc57

2728646130775 has 12 divisors (see below), whose sum is σ = 3392219212200. Its totient is φ = 2177305285280.

The previous prime is 2728646130713. The next prime is 2728646130829. The reversal of 2728646130775 is 5770316468272.

It is not a de Polignac number, because 2728646130775 - 213 = 2728646122583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140280565 + ... + 140300014.

It is an arithmetic number, because the mean of its divisors is an integer number (282684934350).

Almost surely, 22728646130775 is an apocalyptic number.

2728646130775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2728646130775 is a deficient number, since it is larger than the sum of its proper divisors (663573081425).

2728646130775 is a wasteful number, since it uses less digits than its factorization.

2728646130775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280580978 (or 280580973 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 2728646130775 in words is "two trillion, seven hundred twenty-eight billion, six hundred forty-six million, one hundred thirty thousand, seven hundred seventy-five".

Divisors: 1 5 25 389 1945 9725 280580579 1402902895 7014514475 109145845231 545729226155 2728646130775