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1112200220 = 22555610011
BaseRepresentation
bin100001001001010…
…1101010000011100
32212111210121212202
41002102231100130
54234210401340
6302210151032
736363355145
oct10222552034
92774717782
101112200220
1152089853a
12270582478
13149562b51
14a79d6acc
1567995c15
hex424ad41c

1112200220 has 12 divisors (see below), whose sum is σ = 2335620504. Its totient is φ = 444880080.

The previous prime is 1112200171. The next prime is 1112200253. The reversal of 1112200220 is 220022111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27804986 + ... + 27805025.

It is an arithmetic number, because the mean of its divisors is an integer number (194635042).

Almost surely, 21112200220 is an apocalyptic number.

1112200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112200220 is an abundant number, since it is smaller than the sum of its proper divisors (1223420284).

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

1112200220 is a wasteful number, since it uses less digits than its factorization.

1112200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55610020 (or 55610018 counting only the distinct ones).

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

The square root of 1112200220 is about 33349.6659653436. The cubic root of 1112200220 is about 1036.0824695956.

Adding to 1112200220 its reverse (220022111), we get a palindrome (1332222331).

The spelling of 1112200220 in words is "one billion, one hundred twelve million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 55610011 111220022 222440044 278050055 556100110 1112200220