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38893424117 is a prime number
BaseRepresentation
bin100100001110001110…
…101000110111110101
310201101112211122202112
4210032032220313311
51114123204032432
625511205020405
72544546436022
oct441616506765
9121345748675
1038893424117
1115549362219
1276553b4705
13388aa3b732
141c4d63a549
1510297a27b2
hex90e3a8df5

38893424117 has 2 divisors, whose sum is σ = 38893424118. Its totient is φ = 38893424116.

The previous prime is 38893424113. The next prime is 38893424183. The reversal of 38893424117 is 71142439883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38528193796 + 365230321 = 196286^2 + 19111^2 .

It is a cyclic number.

It is not a de Polignac number, because 38893424117 - 22 = 38893424113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38893424113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19446712058 + 19446712059.

It is an arithmetic number, because the mean of its divisors is an integer number (19446712059).

Almost surely, 238893424117 is an apocalyptic number.

It is an amenable number.

38893424117 is a deficient number, since it is larger than the sum of its proper divisors (1).

38893424117 is an equidigital number, since it uses as much as digits as its factorization.

38893424117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The spelling of 38893424117 in words is "thirty-eight billion, eight hundred ninety-three million, four hundred twenty-four thousand, one hundred seventeen".