Search a number
-
+
540348886370181 = 3724841375926771
BaseRepresentation
bin111101011011100011100011…
…1011011010100011110000101
32121212012211220221202121012010
41322313013013123110132011
51031311034004402321211
65153120503531444433
7221546630062315500
oct17267070733243605
92555184827677163
10540348886370181
11147198748542669
125072b2988b6719
131a2678b1bb62c5
14976105051c137
154270aab9e44a6
hex1eb71c76d4785

540348886370181 has 24 divisors (see below), whose sum is σ = 838109472630624. Its totient is φ = 308764410296160.

The previous prime is 540348886370159. The next prime is 540348886370213. The reversal of 540348886370181 is 181073688843045.

It is not a de Polignac number, because 540348886370181 - 218 = 540348886108037 is a prime.

It is a super-2 number, since 2×5403488863701812 (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540348886370101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30846675 + ... + 45080096.

It is an arithmetic number, because the mean of its divisors is an integer number (34921228026276).

Almost surely, 2540348886370181 is an apocalyptic number.

It is an amenable number.

540348886370181 is a deficient number, since it is larger than the sum of its proper divisors (297760586260443).

540348886370181 is a wasteful number, since it uses less digits than its factorization.

540348886370181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75975201 (or 75975194 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 66.

The spelling of 540348886370181 in words is "five hundred forty trillion, three hundred forty-eight billion, eight hundred eighty-six million, three hundred seventy thousand, one hundred eighty-one".

Divisors: 1 3 7 21 49 147 48413 145239 338891 1016673 2372237 7116711 75926771 227780313 531487397 1594462191 3720411779 11161235337 3675842764423 11027528293269 25730899350961 77192698052883 180116295456727 540348886370181