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2112244311 = 31033681589
BaseRepresentation
bin111110111100110…
…0100101001010111
312110012120010110210
41331321210221113
513311213304221
6545332420503
7103225531452
oct17571445127
95405503423
102112244311
11994341461
124ab477733
132787b7108
14160756499
15c5685276
hex7de64a57

2112244311 has 8 divisors (see below), whose sum is σ = 2819056240. Its totient is φ = 1406797632.

The previous prime is 2112244301. The next prime is 2112244331. The reversal of 2112244311 is 1134422112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112244311 - 26 = 2112244247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112244301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 337696 + ... + 343893.

It is an arithmetic number, because the mean of its divisors is an integer number (352382030).

Almost surely, 22112244311 is an apocalyptic number.

2112244311 is a deficient number, since it is larger than the sum of its proper divisors (706811929).

2112244311 is a wasteful number, since it uses less digits than its factorization.

2112244311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682625.

The product of its digits is 384, while the sum is 21.

The square root of 2112244311 is about 45959.1591633267. The cubic root of 2112244311 is about 1283.0632020555.

Adding to 2112244311 its reverse (1134422112), we get a palindrome (3246666423).

The spelling of 2112244311 in words is "two billion, one hundred twelve million, two hundred forty-four thousand, three hundred eleven".

Divisors: 1 3 1033 3099 681589 2044767 704081437 2112244311