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201111111210200 = 23522934674329519
BaseRepresentation
bin101101101110100011010100…
…010110000001010011011000
3222101002000221010101210020212
4231232203110112001103120
5202330001023432211300
61551421100302510252
760234540546630062
oct5556432426012330
9871060833353225
10201111111210200
115909781a35aa94
121a680820295388
13882a90902b939
143793b88a6a732
15183b56524a935
hexb6e8d45814d8

201111111210200 has 48 divisors (see below), whose sum is σ = 483706896804000. Its totient is φ = 77670498120320.

The previous prime is 201111111210173. The next prime is 201111111210203. The reversal of 201111111210200 is 2012111111102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111111210203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17337158960 + ... + 17337170559.

It is an arithmetic number, because the mean of its divisors is an integer number (10077227016750).

Almost surely, 2201111111210200 is an apocalyptic number.

201111111210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201111111210200 is an abundant number, since it is smaller than the sum of its proper divisors (282595785593800).

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

201111111210200 is a wasteful number, since it uses less digits than its factorization.

201111111210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34674329564 (or 34674329555 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201111111210200 its reverse (2012111111102), we get a palindrome (203123222321302).

The spelling of 201111111210200 in words is "two hundred one trillion, one hundred eleven billion, one hundred eleven million, two hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 29 40 50 58 100 116 145 200 232 290 580 725 1160 1450 2900 5800 34674329519 69348659038 138697318076 173371647595 277394636152 346743295190 693486590380 866858237975 1005555556051 1386973180760 1733716475950 2011111112102 3467432951900 4022222224204 5027777780255 6934865903800 8044444448408 10055555560510 20111111121020 25138888901275 40222222242040 50277777802550 100555555605100 201111111210200