Search a number
-
+
2111230212 = 2237133752253
BaseRepresentation
bin111110111010110…
…1101000100000100
312110010122121101120
41331311231010010
513310433331322
6545254553540
7103214106060
oct17565550404
95403577346
102111230212
11993809563
124ab0688b0
13278520660
14160570aa0
15c5534a5c
hex7dd6d104

2111230212 has 96 divisors (see below), whose sum is σ = 6227004672. Its totient is φ = 541748736.

The previous prime is 2111230193. The next prime is 2111230223. The reversal of 2111230212 is 2120321112.

It is a junction number, because it is equal to n+sod(n) for n = 2111230191 and 2111230200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14278 + ... + 66530.

It is an arithmetic number, because the mean of its divisors is an integer number (64864632).

Almost surely, 22111230212 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 2111230212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3113502336).

2111230212 is an abundant number, since it is smaller than the sum of its proper divisors (4115774460).

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

2111230212 is a wasteful number, since it uses less digits than its factorization.

2111230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52317 (or 52315 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2111230212 is about 45948.1252283485. The cubic root of 2111230212 is about 1282.8578341775.

Adding to 2111230212 its reverse (2120321112), we get a palindrome (4231551324).

The spelling of 2111230212 in words is "two billion, one hundred eleven million, two hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 37 39 42 52 74 78 84 91 111 148 156 182 222 259 273 364 444 481 518 546 777 962 1036 1092 1443 1554 1924 2886 3108 3367 5772 6734 10101 13468 20202 40404 52253 104506 156759 209012 313518 365771 627036 679289 731542 1097313 1358578 1463084 1933361 2037867 2194626 2717156 3866722 4075734 4389252 4755023 5800083 7733444 8151468 9510046 11600166 13533527 14265069 19020092 23200332 25133693 27067054 28530138 40600581 50267386 54134108 57060276 75401079 81201162 100534772 150802158 162402324 175935851 301604316 351871702 527807553 703743404 1055615106 2111230212