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12392973344 = 251723990487
BaseRepresentation
bin10111000101010110…
…11100010000100000
31011222200120021102202
423202223130100200
5200340100121334
65405424232332
7616052351423
oct134253342040
934880507382
1012392973344
11528a568334
12249a46b6a8
1312266b5a2b
14857cb39ba
154c7ee717e
hex2e2adc420

12392973344 has 48 divisors (see below), whose sum is σ = 26957121408. Its totient is φ = 5578417152.

The previous prime is 12392973331. The next prime is 12392973349. The reversal of 12392973344 is 44337929321.

It is not an unprimeable number, because it can be changed into a prime (12392973349) 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, 482732 + ... + 507755.

It is an arithmetic number, because the mean of its divisors is an integer number (561606696).

Almost surely, 212392973344 is an apocalyptic number.

It is an amenable number.

12392973344 is an abundant number, since it is smaller than the sum of its proper divisors (14564148064).

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

12392973344 is a wasteful number, since it uses less digits than its factorization.

12392973344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990537 (or 990529 counting only the distinct ones).

The product of its digits is 979776, while the sum is 47.

The spelling of 12392973344 in words is "twelve billion, three hundred ninety-two million, nine hundred seventy-three thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 17 23 32 34 46 68 92 136 184 272 368 391 544 736 782 1564 3128 6256 12512 990487 1980974 3961948 7923896 15847792 16838279 22781201 31695584 33676558 45562402 67353116 91124804 134706232 182249608 269412464 364499216 387280417 538824928 728998432 774560834 1549121668 3098243336 6196486672 12392973344