Search a number
-
+
164121830852 = 22743271503003
BaseRepresentation
bin1001100011011001101…
…1000110010111000100
3120200121221011211221212
42120312123012113010
510142110142041402
6203221352230552
714600043354530
oct2306633062704
9520557154855
10164121830852
1163670549741
122798409b458
13126271a66a5
147d2d0dcbc0
15440877a952
hex26366c65c4

164121830852 has 48 divisors (see below), whose sum is σ = 337117304832. Its totient is φ = 68448512160.

The previous prime is 164121830849. The next prime is 164121830867. The reversal of 164121830852 is 258038121461.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74783 + ... + 577785.

It is an arithmetic number, because the mean of its divisors is an integer number (7023277184).

Almost surely, 2164121830852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164121830852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168558652416).

164121830852 is an abundant number, since it is smaller than the sum of its proper divisors (172995473980).

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

164121830852 is a wasteful number, since it uses less digits than its factorization.

164121830852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503328 (or 503326 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 164121830852 in words is "one hundred sixty-four billion, one hundred twenty-one million, eight hundred thirty thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 14 28 43 86 172 271 301 542 602 1084 1204 1897 3794 7588 11653 23306 46612 81571 163142 326284 503003 1006006 2012012 3521021 7042042 14084084 21629129 43258258 86516516 136313813 151403903 272627626 302807806 545255252 605615612 954196691 1908393382 3816786764 5861493959 11722987918 23445975836 41030457713 82060915426 164121830852