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23022222112 = 252997255757
BaseRepresentation
bin10101011100001110…
…110011101100100000
32012102110101001121001
4111130032303230200
5334122142101422
614324250041344
71443340442041
oct253416635440
965373331531
1023022222112
11984449824a
124566119254
13222b86cb46
1411858348c8
158eb24e227
hex55c3b3b20

23022222112 has 48 divisors (see below), whose sum is σ = 47371496760. Its totient is φ = 10999554048.

The previous prime is 23022222077. The next prime is 23022222149. The reversal of 23022222112 is 21122222032.

It can be written as a sum of positive squares in 4 ways, for example, as 11751427216 + 11270794896 = 108404^2 + 106164^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23022222112.

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, 37863 + ... + 217894.

Almost surely, 223022222112 is an apocalyptic number.

It is an amenable number.

23022222112 is an abundant number, since it is smaller than the sum of its proper divisors (24349274648).

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

23022222112 is a wasteful number, since it uses less digits than its factorization.

23022222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255893 (or 255885 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23022222112 its reverse (21122222032), we get a palindrome (44144444144).

The spelling of 23022222112 in words is "twenty-three billion, twenty-two million, two hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 29 32 58 97 116 194 232 388 464 776 928 1552 2813 3104 5626 11252 22504 45008 90016 255757 511514 1023028 2046056 4092112 7416953 8184224 14833906 24808429 29667812 49616858 59335624 99233716 118671248 198467432 237342496 396934864 719444441 793869728 1438888882 2877777764 5755555528 11511111056 23022222112