Search a number
-
+
51706055210017 = 1319293941712171
BaseRepresentation
bin10111100000110110000010…
…00011011011010000100001
320210002001100220000121221111
423300123001003123100201
523234123000113210032
6301545233413223321
713614432151426165
oct1360330103332041
9223061326017844
1051706055210017
111552546221257a
125970b91331b41
1322b0b247b5150
14caa82d216ca5
155e9ed6d6ec47
hex2f06c10db421

51706055210017 has 16 divisors (see below), whose sum is σ = 58614433366720. Its totient is φ = 45216413956800.

The previous prime is 51706055209981. The next prime is 51706055210023. The reversal of 51706055210017 is 71001255060715.

It is a cyclic number.

It is not a de Polignac number, because 51706055210017 - 211 = 51706055207969 is a prime.

It is a super-2 number, since 2×517060552100172 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51706055210317) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 72247342 + ... + 72959512.

It is an arithmetic number, because the mean of its divisors is an integer number (3663402085420).

Almost surely, 251706055210017 is an apocalyptic number.

It is an amenable number.

51706055210017 is a deficient number, since it is larger than the sum of its proper divisors (6908378156703).

51706055210017 is a wasteful number, since it uses less digits than its factorization.

51706055210017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006144.

The product of its (nonzero) digits is 73500, while the sum is 40.

The spelling of 51706055210017 in words is "fifty-one trillion, seven hundred six billion, fifty-five million, two hundred ten thousand, seventeen".

Divisors: 1 13 19 247 293941 712171 3821233 5584879 9258223 13531249 72603427 175906237 209336255911 2721371326843 3977388862309 51706055210017