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12632430709 is a prime number
BaseRepresentation
bin10111100001111001…
…11001100001110101
31012121101010222012001
423300330321201311
5201332400240314
65445300455301
7625020614023
oct136074714165
935541128161
1012632430709
1153a2750188
1225466aa531
1312641a6892
1487ba07713
154de047674
hex2f0f39875

12632430709 has 2 divisors, whose sum is σ = 12632430710. Its totient is φ = 12632430708.

The previous prime is 12632430677. The next prime is 12632430743. The reversal of 12632430709 is 90703423621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12205388484 + 427042225 = 110478^2 + 20665^2 .

It is a cyclic number.

It is not a de Polignac number, because 12632430709 - 25 = 12632430677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12632430749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316215354 + 6316215355.

It is an arithmetic number, because the mean of its divisors is an integer number (6316215355).

Almost surely, 212632430709 is an apocalyptic number.

It is an amenable number.

12632430709 is a deficient number, since it is larger than the sum of its proper divisors (1).

12632430709 is an equidigital number, since it uses as much as digits as its factorization.

12632430709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 12632430709 in words is "twelve billion, six hundred thirty-two million, four hundred thirty thousand, seven hundred nine".