Search a number
-
+
818323483842 = 232414325786963
BaseRepresentation
bin10111110100001111110…
…00010110110011000010
32220020020101000011102100
423322013320112303002
5101401411302440332
61423533240131230
7113056550562504
oct13720770266302
92806211004370
10818323483842
1129605a300377
1211271aa66b16
135c22420aac7
142b86db19d74
1516446c9767c
hexbe87e16cc2

818323483842 has 48 divisors (see below), whose sum is σ = 1858518069408. Its totient is φ = 259932576960.

The previous prime is 818323483829. The next prime is 818323483853. The reversal of 818323483842 is 248384323818.

818323483842 is a `hidden beast` number, since 8 + 1 + 83 + 2 + 3 + 483 + 84 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12861748 + ... + 12925215.

It is an arithmetic number, because the mean of its divisors is an integer number (38719126446).

Almost surely, 2818323483842 is an apocalyptic number.

818323483842 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

818323483842 is an abundant number, since it is smaller than the sum of its proper divisors (1040194585566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

818323483842 is a wasteful number, since it uses less digits than its factorization.

818323483842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25787055 (or 25787052 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 54.

The spelling of 818323483842 in words is "eight hundred eighteen billion, three hundred twenty-three million, four hundred eighty-three thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 18 41 43 82 86 123 129 246 258 369 387 738 774 1763 3526 5289 10578 15867 31734 25786963 51573926 77360889 154721778 232082667 464165334 1057265483 1108839409 2114530966 2217678818 3171796449 3326518227 6343592898 6653036454 9515389347 9979554681 19030778694 19959109362 45462415769 90924831538 136387247307 272774494614 409161741921 818323483842