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11473373385 = 345293133121
BaseRepresentation
bin10101010111101110…
…11100100011001001
31002121121011202110000
422223313130203021
5141444140422020
65134254113213
7554215031115
oct125367344311
932547152400
1011473373385
114958469271
1222824ab809
13110b019046
147abad4745
154723e8090
hex2abddc8c9

11473373385 has 80 divisors (see below), whose sum is σ = 21351108240. Its totient is φ = 5887365120.

The previous prime is 11473373377. The next prime is 11473373399. The reversal of 11473373385 is 58337337411.

It can be written as a sum of positive squares in 8 ways, for example, as 5806897209 + 5666476176 = 76203^2 + 75276^2 .

It is not a de Polignac number, because 11473373385 - 23 = 11473373377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11473373385.

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 79 ways as a sum of consecutive naturals, for example, 3674625 + ... + 3677745.

It is an arithmetic number, because the mean of its divisors is an integer number (266888853).

Almost surely, 211473373385 is an apocalyptic number.

11473373385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11473373385 is a deficient number, since it is larger than the sum of its proper divisors (9877734855).

11473373385 is a wasteful number, since it uses less digits than its factorization.

11473373385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480 (or 3471 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 11473373385 in words is "eleven billion, four hundred seventy-three million, three hundred seventy-three thousand, three hundred eighty-five".

Divisors: 1 3 5 9 15 27 29 45 81 87 135 145 261 313 405 435 783 939 1305 1565 2349 2817 3121 3915 4695 8451 9077 9363 11745 14085 15605 25353 27231 28089 42255 45385 46815 81693 84267 90509 126765 136155 140445 245079 252801 271527 408465 421335 452545 735237 814581 976873 1225395 1264005 1357635 2443743 2930619 3676185 4072905 4884365 7331229 8791857 12218715 14653095 26375571 28329317 36656145 43959285 79126713 84987951 131877855 141646585 254963853 395633565 424939755 764891559 1274819265 2294674677 3824457795 11473373385