Search a number
-
+
18230333163 = 3717234797487
BaseRepresentation
bin10000111110100111…
…001100111011101011
31202001111120212201120
4100332213030323223
5244313431130123
612212551150323
71213523163240
oct207647147353
952044525646
1018230333163
117805603149
1236493753a3
131946b783b3
14c4d2675c7
1571a7052e3
hex43e9cceeb

18230333163 has 128 divisors (see below), whose sum is σ = 31733710848. Its totient is φ = 9065447424.

The previous prime is 18230333141. The next prime is 18230333189. The reversal of 18230333163 is 36133303281.

It is not a de Polignac number, because 18230333163 - 212 = 18230329067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18230333263) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 37433706 + ... + 37434192.

It is an arithmetic number, because the mean of its divisors is an integer number (247919616).

Almost surely, 218230333163 is an apocalyptic number.

18230333163 is a deficient number, since it is larger than the sum of its proper divisors (13503377685).

18230333163 is a wasteful number, since it uses less digits than its factorization.

18230333163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681.

The product of its (nonzero) digits is 23328, while the sum is 33.

The spelling of 18230333163 in words is "eighteen billion, two hundred thirty million, three hundred thirty-three thousand, one hundred sixty-three".

Divisors: 1 3 7 17 21 23 47 51 69 97 119 141 161 291 329 357 391 483 487 679 799 987 1081 1173 1461 1649 2037 2231 2397 2737 3243 3409 4559 4947 5593 6693 7567 8211 8279 10227 11201 11543 13677 15617 16779 18377 22701 22889 24837 31913 33603 34629 37927 46851 47239 55131 57953 68667 77503 78407 95739 104857 113781 128639 141717 160223 173859 190417 232509 235221 265489 314571 330673 385917 389113 480669 526447 542521 571251 733999 796467 803063 992019 1086497 1167339 1332919 1579341 1627563 1782569 2201997 2220233 2409189 2723791 3259491 3685129 3998757 5347707 5621441 6660699 7605479 8171373 8949599 11055387 12477983 15541631 16864323 18470449 22816437 26848797 37433949 37743961 46624893 51065359 55411347 62647193 113231883 129293143 153196077 187941579 264207727 357457513 387879429 792623181 868111103 1072372539 2604333309 6076777721 18230333163