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2011112202 = 2311210127427
BaseRepresentation
bin111011111011111…
…0010001100001010
312012011021002022010
41313313302030022
513104321042302
6531321040350
7100560112611
oct16767621412
95164232263
102011112202
11942247400
124816260b6
13260868228
1415114c878
15bb85a16c
hex77df230a

2011112202 has 48 divisors (see below), whose sum is σ = 4465058976. Its totient is φ = 603372000.

The previous prime is 2011112167. The next prime is 2011112221. The reversal of 2011112202 is 2022111102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59613 + ... + 87039.

It is an arithmetic number, because the mean of its divisors is an integer number (93022062).

Almost surely, 22011112202 is an apocalyptic number.

2011112202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011112202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2232529488).

2011112202 is an abundant number, since it is smaller than the sum of its proper divisors (2453946774).

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

2011112202 is a wasteful number, since it uses less digits than its factorization.

2011112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27555 (or 27544 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2011112202 is about 44845.4256530139. The cubic root of 2011112202 is about 1262.2501578215.

Adding to 2011112202 its reverse (2022111102), we get a palindrome (4033223304).

The spelling of 2011112202 in words is "two billion, eleven million, one hundred twelve thousand, two hundred two".

Divisors: 1 2 3 6 11 22 33 66 101 121 202 242 303 363 606 726 1111 2222 3333 6666 12221 24442 27427 36663 54854 73326 82281 164562 301697 603394 905091 1810182 2770127 3318667 5540254 6637334 8310381 9956001 16620762 19912002 30471397 60942794 91414191 182828382 335185367 670370734 1005556101 2011112202