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2012112200 = 235271437223
BaseRepresentation
bin111011111101110…
…0110010101001000
312012020010220001002
41313323212111020
513110100042300
6531354314132
7100601446220
oct16773462510
95166126032
102012112200
1194286a74a
12481a28948
13260b28447
1415132d080
15bb9a65d5
hex77ee6548

2012112200 has 48 divisors (see below), whose sum is σ = 5346473280. Its totient is φ = 689866560.

The previous prime is 2012112173. The next prime is 2012112233. The reversal of 2012112200 is 22112102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717212 + ... + 720011.

It is an arithmetic number, because the mean of its divisors is an integer number (111384860).

Almost surely, 22012112200 is an apocalyptic number.

2012112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012112200 is an abundant number, since it is smaller than the sum of its proper divisors (3334361080).

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

2012112200 is a wasteful number, since it uses less digits than its factorization.

2012112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437246 (or 1437237 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2012112200 is about 44856.5736542594. The cubic root of 2012112200 is about 1262.4593353566.

Adding to 2012112200 its reverse (22112102), we get a palindrome (2034224302).

The spelling of 2012112200 in words is "two billion, twelve million, one hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 175 200 280 350 700 1400 1437223 2874446 5748892 7186115 10060561 11497784 14372230 20121122 28744460 35930575 40242244 50302805 57488920 71861150 80484488 100605610 143722300 201211220 251514025 287444600 402422440 503028050 1006056100 2012112200