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48719818687 is a prime number
BaseRepresentation
bin101101010111111011…
…010110111110111111
311122202100221020000011
4231113323112332333
51244234233144222
634214230444051
73343215424501
oct552773267677
9148670836004
1048719818687
1119731081971
129538203627
1347957837a7
1425026cbd71
1514022bbc77
hexb57ed6fbf

48719818687 has 2 divisors, whose sum is σ = 48719818688. Its totient is φ = 48719818686.

The previous prime is 48719818673. The next prime is 48719818729. The reversal of 48719818687 is 78681891784.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48719818687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48719818087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24359909343 + 24359909344.

It is an arithmetic number, because the mean of its divisors is an integer number (24359909344).

Almost surely, 248719818687 is an apocalyptic number.

48719818687 is a deficient number, since it is larger than the sum of its proper divisors (1).

48719818687 is an equidigital number, since it uses as much as digits as its factorization.

48719818687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43352064, while the sum is 67.

The spelling of 48719818687 in words is "forty-eight billion, seven hundred nineteen million, eight hundred eighteen thousand, six hundred eighty-seven".