Search a number
-
+
11100000212 = 2272926351977
BaseRepresentation
bin10100101011001110…
…01000111111010100
31001122120121102201222
422111213020333110
5140213100001322
65033235305512
7542032305440
oct122547107724
931576542658
1011100000212
11478672a4a4
12219944b298
13107b86b282
147742a1820
1544e743e42
hex2959c8fd4

11100000212 has 48 divisors (see below), whose sum is σ = 23053282560. Its totient is φ = 4575551232.

The previous prime is 11100000211. The next prime is 11100000239. The reversal of 11100000212 is 21200000111.

It is a self number, because there is not a number n which added to its sum of digits gives 11100000212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100000211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187568 + ... + 239544.

It is an arithmetic number, because the mean of its divisors is an integer number (480276720).

Almost surely, 211100000212 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 11100000212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11526641280).

11100000212 is an abundant number, since it is smaller than the sum of its proper divisors (11953282348).

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

11100000212 is a wasteful number, since it uses less digits than its factorization.

11100000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52280 (or 52278 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11100000212 its reverse (21200000111), we get a palindrome (32300000323).

The spelling of 11100000212 in words is "eleven billion, one hundred million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 7 14 28 29 58 116 203 263 406 526 812 1052 1841 3682 7364 7627 15254 30508 51977 53389 103954 106778 207908 213556 363839 727678 1455356 1507333 3014666 6029332 10551331 13669951 21102662 27339902 42205324 54679804 95689657 191379314 382758628 396428579 792857158 1585714316 2775000053 5550000106 11100000212