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38356473823 is a prime number
BaseRepresentation
bin100011101110001110…
…010101011111011111
310200000010110202102121
4203232032111133133
51112023224130243
625342024203411
72525336435203
oct435616253737
9120003422377
1038356473823
11152a3258548
127525609567
133803719c75
141bdc1c6b03
15ee758b1ed
hex8ee3957df

38356473823 has 2 divisors, whose sum is σ = 38356473824. Its totient is φ = 38356473822.

The previous prime is 38356473821. The next prime is 38356473829. The reversal of 38356473823 is 32837465383.

It is a weak prime.

It is an emirp because it is prime and its reverse (32837465383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38356473823 - 21 = 38356473821 is a prime.

Together with 38356473821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38356473821) 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, 19178236911 + 19178236912.

It is an arithmetic number, because the mean of its divisors is an integer number (19178236912).

Almost surely, 238356473823 is an apocalyptic number.

38356473823 is a deficient number, since it is larger than the sum of its proper divisors (1).

38356473823 is an equidigital number, since it uses as much as digits as its factorization.

38356473823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 52.

The spelling of 38356473823 in words is "thirty-eight billion, three hundred fifty-six million, four hundred seventy-three thousand, eight hundred twenty-three".