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2112312244 = 227531423391
BaseRepresentation
bin111110111100111…
…0101001110110100
312110012200120122211
41331321311032310
513311222442434
6545334103204
7103226233510
oct17571651664
95405616584
102112312244
119943884a9
124ab4aab04
1327880c003
14160773140
15c569a464
hex7de753b4

2112312244 has 24 divisors (see below), whose sum is σ = 4304337408. Its totient is φ = 888195360.

The previous prime is 2112312229. The next prime is 2112312247. The reversal of 2112312244 is 4422132112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112312247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710212 + ... + 713179.

It is an arithmetic number, because the mean of its divisors is an integer number (179347392).

Almost surely, 22112312244 is an apocalyptic number.

It is an amenable number.

2112312244 is an abundant number, since it is smaller than the sum of its proper divisors (2192025164).

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

2112312244 is a wasteful number, since it uses less digits than its factorization.

2112312244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423455 (or 1423453 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 2112312244 is about 45959.8982157272. The cubic root of 2112312244 is about 1283.0769569981.

Adding to 2112312244 its reverse (4422132112), we get a palindrome (6534444356).

The spelling of 2112312244 in words is "two billion, one hundred twelve million, three hundred twelve thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 1484 1423391 2846782 5693564 9963737 19927474 39854948 75439723 150879446 301758892 528078061 1056156122 2112312244