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12392217224 = 234635236397
BaseRepresentation
bin10111000101010001…
…00011101010001000
31011222122010212020022
423202220203222020
5200334401422344
65405400120012
7616043052122
oct134250435210
934878125208
1012392217224
11528a0a1242
12249a166008
1312264ac81a
14857b58212
154c7de80ee
hex2e2a23a88

12392217224 has 32 divisors (see below), whose sum is σ = 23333761920. Its totient is φ = 6169939776.

The previous prime is 12392217223. The next prime is 12392217239. The reversal of 12392217224 is 42271229321.

It is not an unprimeable number, because it can be changed into a prime (12392217223) 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, 1933994 + ... + 1940390.

It is an arithmetic number, because the mean of its divisors is an integer number (729180060).

Almost surely, 212392217224 is an apocalyptic number.

It is an amenable number.

12392217224 is a deficient number, since it is larger than the sum of its proper divisors (10941544696).

12392217224 is a wasteful number, since it uses less digits than its factorization.

12392217224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7389 (or 7385 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The spelling of 12392217224 in words is "twelve billion, three hundred ninety-two million, two hundred seventeen thousand, two hundred twenty-four".

Divisors: 1 2 4 8 463 523 926 1046 1852 2092 3704 4184 6397 12794 25588 51176 242149 484298 968596 1937192 2961811 3345631 5923622 6691262 11847244 13382524 23694488 26765048 1549027153 3098054306 6196108612 12392217224