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2122322312 = 231129831631
BaseRepresentation
bin111111010000000…
…0001000110001000
312110220112010220002
41332200001012020
513321303303222
6550332422132
7103410304415
oct17640010610
95426463802
102122322312
11999aa5190
124b2917948
1327a905326
14161c1b10c
15c64c6392
hex7e801188

2122322312 has 32 divisors (see below), whose sum is σ = 4490812800. Its totient is φ = 931425600.

The previous prime is 2122322311. The next prime is 2122322317. The reversal of 2122322312 is 2132232212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2122322311) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 413264 + ... + 418367.

It is an arithmetic number, because the mean of its divisors is an integer number (140337900).

Almost surely, 22122322312 is an apocalyptic number.

2122322312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2122322312 is an abundant number, since it is smaller than the sum of its proper divisors (2368490488).

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

2122322312 is a wasteful number, since it uses less digits than its factorization.

2122322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831677 (or 831673 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 2122322312 is about 46068.6695271309. The cubic root of 2122322312 is about 1285.1005613035.

Adding to 2122322312 its reverse (2132232212), we get a palindrome (4254554524).

The spelling of 2122322312 in words is "two billion, one hundred twenty-two million, three hundred twenty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 29 44 58 88 116 232 319 638 1276 2552 831631 1663262 3326524 6653048 9147941 18295882 24117299 36591764 48234598 73183528 96469196 192938392 265290289 530580578 1061161156 2122322312