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38505016807 is a prime number
BaseRepresentation
bin100011110111000100…
…111110110111100111
310200101110222112002121
4203313010332313213
51112324241014212
625404452050411
72532122146135
oct436704766747
9120343875077
1038505016807
111536a095044
127567303a07
13382842891a
141c13c12755
15100562dd07
hex8f713ede7

38505016807 has 2 divisors, whose sum is σ = 38505016808. Its totient is φ = 38505016806.

The previous prime is 38505016783. The next prime is 38505016867. The reversal of 38505016807 is 70861050583.

It is a weak prime.

It is an emirp because it is prime and its reverse (70861050583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38505016807 - 27 = 38505016679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38505016867) 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, 19252508403 + 19252508404.

It is an arithmetic number, because the mean of its divisors is an integer number (19252508404).

Almost surely, 238505016807 is an apocalyptic number.

38505016807 is a deficient number, since it is larger than the sum of its proper divisors (1).

38505016807 is an equidigital number, since it uses as much as digits as its factorization.

38505016807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 38505016807 in words is "thirty-eight billion, five hundred five million, sixteen thousand, eight hundred seven".