Search a number
-
+
28556288600785 = 5113714032574251
BaseRepresentation
bin1100111111000110001110…
…11100000010101011010001
310202002221202211222210220121
412133203013130002223101
512220331234340211120
6140422324453310241
76005060311103401
oct637430734025321
9122087684883817
1028556288600785
11910a7214aa650
123252497335381
1312c1b0089a81a
1470a1bb706801
15347c344185aa
hex19f8c7702ad1

28556288600785 has 16 divisors (see below), whose sum is σ = 38393123153472. Its totient is φ = 20206906920000.

The previous prime is 28556288600779. The next prime is 28556288600809. The reversal of 28556288600785 is 58700688265582.

It is not a de Polignac number, because 28556288600785 - 25 = 28556288600753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7016285091 + ... + 7016289160.

It is an arithmetic number, because the mean of its divisors is an integer number (2399570197092).

Almost surely, 228556288600785 is an apocalyptic number.

It is an amenable number.

28556288600785 is a deficient number, since it is larger than the sum of its proper divisors (9836834552687).

28556288600785 is a wasteful number, since it uses less digits than its factorization.

28556288600785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14032574304.

The product of its (nonzero) digits is 516096000, while the sum is 70.

The spelling of 28556288600785 in words is "twenty-eight trillion, five hundred fifty-six billion, two hundred eighty-eight million, six hundred thousand, seven hundred eighty-five".

Divisors: 1 5 11 37 55 185 407 2035 14032574251 70162871255 154358316761 519205247287 771791583805 2596026236435 5711257720157 28556288600785