Search a number
-
+
27944708841745 = 554491025682101
BaseRepresentation
bin1100101101010011000100…
…11100011010000100010001
310122221111011210210001021221
412112221202130122010101
512130321230430413440
6135233342204445041
75612636635655053
oct626514234320421
9118844153701257
1027944708841745
1189a4314695763
123173a56549781
131279236b860b7
146c87615978d3
15336d8cb8ad4a
hex196a6271a111

27944708841745 has 8 divisors (see below), whose sum is σ = 33539804735400. Its totient is φ = 22351664323200.

The previous prime is 27944708841727. The next prime is 27944708841839. The reversal of 27944708841745 is 54714880744972.

It can be written as a sum of positive squares in 4 ways, for example, as 3360207949569 + 24584500892176 = 1833087^2 + 4958276^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-27944708841745 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 512813806 + ... + 512868295.

It is an arithmetic number, because the mean of its divisors is an integer number (4192475591925).

Almost surely, 227944708841745 is an apocalyptic number.

It is an amenable number.

27944708841745 is a deficient number, since it is larger than the sum of its proper divisors (5595095893655).

27944708841745 is a wasteful number, since it uses less digits than its factorization.

27944708841745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025687555.

The product of its (nonzero) digits is 505774080, while the sum is 70.

The spelling of 27944708841745 in words is "twenty-seven trillion, nine hundred forty-four billion, seven hundred eight million, eight hundred forty-one thousand, seven hundred forty-five".

Divisors: 1 5 5449 27245 1025682101 5128410505 5588941768349 27944708841745