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1112220212 = 22881315613
BaseRepresentation
bin100001001001011…
…0010001000110100
32212111211122022012
41002102302020310
54234212021322
6302210423352
736363500345
oct10222621064
92774748265
101112220212
11520901564
12270591b58
1314956bc8c
14a7a000cc
156799bae2
hex424b2234

1112220212 has 12 divisors (see below), whose sum is σ = 1948600836. Its totient is φ = 555477120.

The previous prime is 1112220163. The next prime is 1112220283. The reversal of 1112220212 is 2120222111.

It can be written as a sum of positive squares in 2 ways, for example, as 309971236 + 802248976 = 17606^2 + 28324^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154283 + ... + 161330.

It is an arithmetic number, because the mean of its divisors is an integer number (162383403).

Almost surely, 21112220212 is an apocalyptic number.

It is an amenable number.

1112220212 is a deficient number, since it is larger than the sum of its proper divisors (836380624).

1112220212 is a wasteful number, since it uses less digits than its factorization.

1112220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316498 (or 316496 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1112220212 is about 33349.9656971338. The cubic root of 1112220212 is about 1036.0886774816.

Adding to 1112220212 its reverse (2120222111), we get a palindrome (3232442323).

The spelling of 1112220212 in words is "one billion, one hundred twelve million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 881 1762 3524 315613 631226 1262452 278055053 556110106 1112220212