Search a number
-
+
164908405718 = 27171021678641
BaseRepresentation
bin1001100110010101001…
…1101001001111010110
3120202122202020222211022
42121211103221033112
510200213022440333
6203431411241142
714625404214650
oct2314523511726
9522582228738
10164908405718
1163a34550011
1227b635a91b2
13127211389c4
147da57716d0
15445284ec98
hex26654e93d6

164908405718 has 32 divisors (see below), whose sum is σ = 299623157568. Its totient is φ = 66452428800.

The previous prime is 164908405703. The next prime is 164908405723. The reversal of 164908405718 is 817504809461.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 164908405718.

It is a congruent number.

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, 96323 + ... + 582318.

It is an arithmetic number, because the mean of its divisors is an integer number (9363223674).

Almost surely, 2164908405718 is an apocalyptic number.

164908405718 is a deficient number, since it is larger than the sum of its proper divisors (134714751850).

164908405718 is a wasteful number, since it uses less digits than its factorization.

164908405718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679688.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 164908405718 in words is "one hundred sixty-four billion, nine hundred eight million, four hundred five thousand, seven hundred eighteen".

Divisors: 1 2 7 14 17 34 119 238 1021 2042 7147 14294 17357 34714 121499 242998 678641 1357282 4750487 9500974 11536897 23073794 80758279 161516558 692892461 1385784922 4850247227 9700494454 11779171837 23558343674 82454202859 164908405718