Search a number
-
+
38438828033 is a prime number
BaseRepresentation
bin100011110011001000…
…011111100000000001
310200012212102210011112
4203303020133200001
51112210314444113
625354125253105
72530356435014
oct436310374001
9120185383145
1038438828033
1115335797481
127549104195
1338177c2a78
141c0910337b
15eee9075a8
hex8f321f801

38438828033 has 2 divisors, whose sum is σ = 38438828034. Its totient is φ = 38438828032.

The previous prime is 38438828023. The next prime is 38438828069. The reversal of 38438828033 is 33082883483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34366856689 + 4071971344 = 185383^2 + 63812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38438828033 is a prime.

It is not a weakly prime, because it can be changed into another prime (38438828003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19219414016 + 19219414017.

It is an arithmetic number, because the mean of its divisors is an integer number (19219414017).

Almost surely, 238438828033 is an apocalyptic number.

It is an amenable number.

38438828033 is a deficient number, since it is larger than the sum of its proper divisors (1).

38438828033 is an equidigital number, since it uses as much as digits as its factorization.

38438828033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2654208, while the sum is 50.

The spelling of 38438828033 in words is "thirty-eight billion, four hundred thirty-eight million, eight hundred twenty-eight thousand, thirty-three".