Search a number
-
+
38227303447 is a prime number
BaseRepresentation
bin100011100110100001…
…100101110000010111
310122200010102012222121
4203212201211300113
51111242142202242
625321131440411
72522210501164
oct434641456027
9118603365877
1038227303447
1115237352973
1274aa2b6107
1337b2a31ca8
141bc8da106b
15edb073667
hex8e6865c17

38227303447 has 2 divisors, whose sum is σ = 38227303448. Its totient is φ = 38227303446.

The previous prime is 38227303427. The next prime is 38227303469. The reversal of 38227303447 is 74430372283.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38227303447 is a prime.

It is a super-2 number, since 2×382273034472 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38227303417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19113651723 + 19113651724.

It is an arithmetic number, because the mean of its divisors is an integer number (19113651724).

Almost surely, 238227303447 is an apocalyptic number.

38227303447 is a deficient number, since it is larger than the sum of its proper divisors (1).

38227303447 is an equidigital number, since it uses as much as digits as its factorization.

38227303447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 43.

The spelling of 38227303447 in words is "thirty-eight billion, two hundred twenty-seven million, three hundred three thousand, four hundred forty-seven".