Search a number
-
+
9783952340761 = 2323124121072
BaseRepresentation
bin1000111001100000000100…
…0000001111011100011001
31021122100002110110000100101
42032120001000033130121
52240300013244401021
632450404033535401
72026603313501614
oct216300100173431
937570073400311
109783952340761
113132395035a25
121120241a14561
1355c8132372c1
1425b78da3117b
1511e782c11a91
hex8e60100f719

9783952340761 has 81 divisors (see below), whose sum is σ = 10934647078719. Its totient is φ = 8753202110400.

The previous prime is 9783952340711. The next prime is 9783952340801. The reversal of 9783952340761 is 1670432593879.

The square root of 9783952340761 is 3127931.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 471445651161 + 9312506689600 = 686619^2 + 3051640^2 .

It is not a de Polignac number, because 9783952340761 - 27 = 9783952340633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9783952340693 and 9783952340702.

It is not an unprimeable number, because it can be changed into a prime (9783952340711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 91438806870 + ... + 91438806976.

It is a 1-persistent number, because it is pandigital, but 2⋅9783952340761 = 19567904681522 is not.

Almost surely, 29783952340761 is an apocalyptic number.

9783952340761 is the 3127931-st square number.

9783952340761 is the 1563966-th centered octagonal number.

It is an amenable number.

9783952340761 is a deficient number, since it is larger than the sum of its proper divisors (1150694737958).

9783952340761 is an equidigital number, since it uses as much as digits as its factorization.

9783952340761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 64.

Multiplying 9783952340761 by its sum of digits (64), we get a square (626172949808704 = 250234482).

The spelling of 9783952340761 in words is "nine trillion, seven hundred eighty-three billion, nine hundred fifty-two million, three hundred forty thousand, seven hundred sixty-one".

Divisors: 1 23 31 41 107 529 713 943 961 1271 1681 2461 3317 4387 11449 16399 21689 22103 29233 38663 39401 52111 56603 76291 100901 102827 135997 179867 263327 354919 469409 508369 672359 889249 906223 1198553 1615441 1754693 2320723 2365021 3127931 4136941 4215907 5575877 6056521 8163137 10796407 11002489 14551679 19245769 20843129 27566719 37155143 54395483 71942413 95149643 96965861 128245171 172852187 187752151 248317361 253057247 334688617 442652687 451102049 596618839 854568289 2230214803 2949638933 3975600301 5820316681 7697838191 10181011801 10375347127 13722233297 18495184009 91438806923 238632983921 315611365831 425389232207 9783952340761