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10381912663 is a prime number
BaseRepresentation
bin10011010101100111…
…10110101001010111
3222210112101210210211
421222303312221113
5132230232201123
64434104230251
7515162541643
oct115263665127
928715353724
1010381912663
114448356711
122018a6b387
13c95b680b5
14706b79c23
1540b69c40d
hex26acf6a57

10381912663 has 2 divisors, whose sum is σ = 10381912664. Its totient is φ = 10381912662.

The previous prime is 10381912649. The next prime is 10381912747. The reversal of 10381912663 is 36621918301.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10381912663 is a prime.

It is a super-2 number, since 2×103819126632 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10381912643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5190956331 + 5190956332.

It is an arithmetic number, because the mean of its divisors is an integer number (5190956332).

Almost surely, 210381912663 is an apocalyptic number.

10381912663 is a deficient number, since it is larger than the sum of its proper divisors (1).

10381912663 is an equidigital number, since it uses as much as digits as its factorization.

10381912663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 10381912663 in words is "ten billion, three hundred eighty-one million, nine hundred twelve thousand, six hundred sixty-three".