Search a number
-
+
3838886081 is a prime number
BaseRepresentation
bin1110010011010000…
…1100000011000001
3100220112112121200222
43210310030003001
530330223323311
61432532352425
7164062664462
oct34464140301
910815477628
103838886081
11169aa50a28
128b1775715
13492430c34
14285bb4d69
1517704cadb
hexe4d0c0c1

3838886081 has 2 divisors, whose sum is σ = 3838886082. Its totient is φ = 3838886080.

The previous prime is 3838886053. The next prime is 3838886083. The reversal of 3838886081 is 1806888383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3826041025 + 12845056 = 61855^2 + 3584^2 .

It is a cyclic number.

It is not a de Polignac number, because 3838886081 - 230 = 2765144257 is a prime.

It is a super-2 number, since 2×38388860812 = 29474092685791077122, which contains 22 as substring.

Together with 3838886083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3838886083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1919443040 + 1919443041.

It is an arithmetic number, because the mean of its divisors is an integer number (1919443041).

Almost surely, 23838886081 is an apocalyptic number.

It is an amenable number.

3838886081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3838886081 is an equidigital number, since it uses as much as digits as its factorization.

3838886081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1769472, while the sum is 53.

The square root of 3838886081 is about 61958.7449921317. The cubic root of 3838886081 is about 1565.7956235792.

The spelling of 3838886081 in words is "three billion, eight hundred thirty-eight million, eight hundred eighty-six thousand, eighty-one".