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2120112222 = 23292676271
BaseRepresentation
bin111111001011110…
…0101100001011110
312110202100212012220
41332113211201132
513320222042342
6550213210210
7103352441124
oct17627454136
95422325186
102120112222
11998825768
124b2030966
1327a310397
14161803914
15c61db5ec
hex7e5e585e

2120112222 has 48 divisors (see below), whose sum is σ = 4457736192. Its totient is φ = 672043680.

The previous prime is 2120112217. The next prime is 2120112233. The reversal of 2120112222 is 2222110212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334947 + ... + 341217.

It is an arithmetic number, because the mean of its divisors is an integer number (92869504).

Almost surely, 22120112222 is an apocalyptic number.

2120112222 is an abundant number, since it is smaller than the sum of its proper divisors (2337623970).

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

2120112222 is a wasteful number, since it uses less digits than its factorization.

2120112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401 (or 6372 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2120112222 is about 46044.6763698041. The cubic root of 2120112222 is about 1284.6543245977.

Adding to 2120112222 its reverse (2222110212), we get a palindrome (4342222434).

The spelling of 2120112222 in words is "two billion, one hundred twenty million, one hundred twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 29 58 67 87 134 174 201 402 841 1682 1943 2523 3886 5046 5829 6271 11658 12542 18813 37626 56347 112694 169041 181859 338082 363718 420157 545577 840314 1091154 1260471 2520942 5273911 10547822 12184553 15821733 24369106 31643466 36553659 73107318 353352037 706704074 1060056111 2120112222