Search a number
-
+
545012110131205 = 5193877643990181
BaseRepresentation
bin111101111101011111000010…
…1001110010000000000000101
32122110201122112000222012010011
41323322332011032100000011
51032413434300143144310
65211051035032430221
7222540553106266543
oct17372760516200005
92573648460865104
10545012110131205
111487263798071a2
1251162bb8b48371
131a515562c37202
149882a267a6d93
1543020380b378a
hex1efaf85390005

545012110131205 has 16 divisors (see below), whose sum is σ = 658152814082544. Its totient is φ = 433255985418240.

The previous prime is 545012110131169. The next prime is 545012110131233. The reversal of 545012110131205 is 502131011210545.

It can be written as a sum of positive squares in 8 ways, for example, as 16517575329124 + 528494534802081 = 4064182^2 + 22989009^2 .

It is not a de Polignac number, because 545012110131205 - 217 = 545012110000133 is a prime.

It is a Duffinian number.

It is a congruent 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, 321148786 + ... + 322841395.

It is an arithmetic number, because the mean of its divisors is an integer number (41134550880159).

Almost surely, 2545012110131205 is an apocalyptic number.

It is an amenable number.

545012110131205 is a deficient number, since it is larger than the sum of its proper divisors (113140703951339).

545012110131205 is a wasteful number, since it uses less digits than its factorization.

545012110131205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643991256.

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 545012110131205 in words is "five hundred forty-five trillion, twelve billion, one hundred ten million, one hundred thirty-one thousand, two hundred five".

Divisors: 1 5 193 877 965 4385 169261 846305 643990181 3219950905 124290104933 564779388737 621450524665 2823896943685 109002422026241 545012110131205