Search a number
-
+
38300838409 is a prime number
BaseRepresentation
bin100011101010111010…
…000110101000001001
310122212020210011222201
4203222322012220021
51111420003312114
625332315520201
72524062516631
oct435272065011
9118766704881
1038300838409
1115274908869
12750aa59061
1337c503a7c2
141bd4a636c1
15ee274b874
hex8eae86a09

38300838409 has 2 divisors, whose sum is σ = 38300838410. Its totient is φ = 38300838408.

The previous prime is 38300838391. The next prime is 38300838461. The reversal of 38300838409 is 90483800383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30835360000 + 7465478409 = 175600^2 + 86403^2 .

It is an emirp because it is prime and its reverse (90483800383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38300838409 - 211 = 38300836361 is a prime.

It is not a weakly prime, because it can be changed into another prime (38300838209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19150419204 + 19150419205.

It is an arithmetic number, because the mean of its divisors is an integer number (19150419205).

Almost surely, 238300838409 is an apocalyptic number.

It is an amenable number.

38300838409 is a deficient number, since it is larger than the sum of its proper divisors (1).

38300838409 is an equidigital number, since it uses as much as digits as its factorization.

38300838409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 38300838409 in words is "thirty-eight billion, three hundred million, eight hundred thirty-eight thousand, four hundred nine".