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12996348712 = 238221197609
BaseRepresentation
bin11000001101010010…
…01000101100101000
31020112201220220211121
430012221020230220
5203104031124322
65545340505024
7640030066324
oct140651105450
936481826747
1012996348712
11556a111166
12262854b174
1312c16c3a89
148b4098984
15510e7eec7
hex306a48b28

12996348712 has 16 divisors (see below), whose sum is σ = 24371241300. Its totient is φ = 6497351040.

The previous prime is 12996348671. The next prime is 12996348737. The reversal of 12996348712 is 21784369921.

It can be written as a sum of positive squares in 2 ways, for example, as 12497898436 + 498450276 = 111794^2 + 22326^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12996348712.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33037 + ... + 164572.

Almost surely, 212996348712 is an apocalyptic number.

It is an amenable number.

12996348712 is a deficient number, since it is larger than the sum of its proper divisors (11374892588).

12996348712 is a wasteful number, since it uses less digits than its factorization.

12996348712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205836 (or 205832 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The spelling of 12996348712 in words is "twelve billion, nine hundred ninety-six million, three hundred forty-eight thousand, seven hundred twelve".

Divisors: 1 2 4 8 8221 16442 32884 65768 197609 395218 790436 1580872 1624543589 3249087178 6498174356 12996348712