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54704117687 is a prime number
BaseRepresentation
bin110010111100100111…
…101001011110110111
312020012102110002221212
4302330213221132313
51344013223231222
641044123032035
73644422220402
oct627447513667
9166172402855
1054704117687
112122205931a
12a72836b61b
13520a512b0b
14290d3b0d39
1516528526e2
hexcbc9e97b7

54704117687 has 2 divisors, whose sum is σ = 54704117688. Its totient is φ = 54704117686.

The previous prime is 54704117681. The next prime is 54704117737. The reversal of 54704117687 is 78671140745.

It is an a-pointer prime, because the next prime (54704117737) can be obtained adding 54704117687 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54704117687 - 28 = 54704117431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54704117681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27352058843 + 27352058844.

It is an arithmetic number, because the mean of its divisors is an integer number (27352058844).

Almost surely, 254704117687 is an apocalyptic number.

54704117687 is a deficient number, since it is larger than the sum of its proper divisors (1).

54704117687 is an equidigital number, since it uses as much as digits as its factorization.

54704117687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1317120, while the sum is 50.

The spelling of 54704117687 in words is "fifty-four billion, seven hundred four million, one hundred seventeen thousand, six hundred eighty-seven".