Search a number
-
+
210100110111205 = 5291997281237571
BaseRepresentation
bin101111110001010110111110…
…011011100011000111100101
31000112220101002220200212211021
4233301112332123203013211
5210014240011142024310
62022502354053411141
762153142405614416
oct5761267633430745
91015811086625737
10210100110111205
1160a42a5794a666
121b692985939ab1
13903048099a9a2
1439c4c8467780d
1519452bcc1c5da
hexbf15be6e31e5

210100110111205 has 16 divisors (see below), whose sum is σ = 262124552592000. Its totient is φ = 161468724352320.

The previous prime is 210100110111187. The next prime is 210100110111217. The reversal of 210100110111205 is 502111011001012.

It is a de Polignac number, because none of the positive numbers 2k-210100110111205 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3640589931 + ... + 3640647640.

It is an arithmetic number, because the mean of its divisors is an integer number (16382784537000).

Almost surely, 2210100110111205 is an apocalyptic number.

It is an amenable number.

210100110111205 is a deficient number, since it is larger than the sum of its proper divisors (52024442480795).

210100110111205 is a wasteful number, since it uses less digits than its factorization.

210100110111205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7281237804.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 210100110111205 its reverse (502111011001012), we get a palindrome (712211121112217).

The spelling of 210100110111205 in words is "two hundred ten trillion, one hundred billion, one hundred ten million, one hundred eleven thousand, two hundred five".

Divisors: 1 5 29 145 199 995 5771 28855 7281237571 36406187855 211155889559 1055779447795 1448966276629 7244831383145 42020022022241 210100110111205