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2112203312 = 24374775913
BaseRepresentation
bin111110111100101…
…1010101000110000
312110012111001020022
41331321122220300
513311211001222
6545331503012
7103225301102
oct17571325060
95405431208
102112203312
1199431367a
124ab457a68
132787a155b
14160745572
15c5678042
hex7de5aa30

2112203312 has 40 divisors (see below), whose sum is σ = 4292481216. Its totient is φ = 1005682176.

The previous prime is 2112203281. The next prime is 2112203407. The reversal of 2112203312 is 2133022112.

It is a super-2 number, since 2×21122033122 = 8922805662447538688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10133 + ... + 65780.

Almost surely, 22112203312 is an apocalyptic number.

It is an amenable number.

2112203312 is an abundant number, since it is smaller than the sum of its proper divisors (2180277904).

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

2112203312 is a wasteful number, since it uses less digits than its factorization.

2112203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76005 (or 75999 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2112203312 is about 45958.7131238463. The cubic root of 2112203312 is about 1283.0549005144.

Adding to 2112203312 its reverse (2133022112), we get a palindrome (4245225424).

The spelling of 2112203312 in words is "two billion, one hundred twelve million, two hundred three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 37 47 74 94 148 188 296 376 592 752 1739 3478 6956 13912 27824 75913 151826 303652 607304 1214608 2808781 3567911 5617562 7135822 11235124 14271644 22470248 28543288 44940496 57086576 132012707 264025414 528050828 1056101656 2112203312