Search a number
-
+
2111213164 = 224116378977
BaseRepresentation
bin111110111010110…
…1000111001101100
312110010121202000011
41331311220321230
513310432310124
6545254343004
7103214005264
oct17565507154
95403552004
102111213164
119937a7775
124ab05aa64
13278515978
141605687a4
15c552e994
hex7dd68e6c

2111213164 has 24 divisors (see below), whose sum is σ = 3808003248. Its totient is φ = 1023528960.

The previous prime is 2111213147. The next prime is 2111213179. The reversal of 2111213164 is 4613121112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12757 + ... + 66220.

It is an arithmetic number, because the mean of its divisors is an integer number (158666802).

Almost surely, 22111213164 is an apocalyptic number.

It is an amenable number.

2111213164 is a deficient number, since it is larger than the sum of its proper divisors (1696790084).

2111213164 is a wasteful number, since it uses less digits than its factorization.

2111213164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79185 (or 79183 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 2111213164 is about 45947.9397144203. The cubic root of 2111213164 is about 1282.8543811798.

Adding to 2111213164 its reverse (4613121112), we get a palindrome (6724334276).

The spelling of 2111213164 in words is "two billion, one hundred eleven million, two hundred thirteen thousand, one hundred sixty-four".

Divisors: 1 2 4 41 82 163 164 326 652 6683 13366 26732 78977 157954 315908 3238057 6476114 12873251 12952228 25746502 51493004 527803291 1055606582 2111213164