Search a number
-
+
3880217993 is a prime number
BaseRepresentation
bin1110011101000111…
…0110110110001001
3101000102022111102112
43213101312312021
530421313433433
61441010312105
7165104210621
oct34721666611
911012274375
103880217993
111711311233
12903588635
1349ab72aa2
1428b493881
1517a9b4348
hexe7476d89

3880217993 has 2 divisors, whose sum is σ = 3880217994. Its totient is φ = 3880217992.

The previous prime is 3880217941. The next prime is 3880218031. The reversal of 3880217993 is 3997120883.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3868466809 + 11751184 = 62197^2 + 3428^2 .

It is a cyclic number.

It is not a de Polignac number, because 3880217993 - 216 = 3880152457 is a prime.

It is not a weakly prime, because it can be changed into another prime (3880217903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1940108996 + 1940108997.

It is an arithmetic number, because the mean of its divisors is an integer number (1940108997).

Almost surely, 23880217993 is an apocalyptic number.

It is an amenable number.

3880217993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3880217993 is an equidigital number, since it uses as much as digits as its factorization.

3880217993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 3880217993 is about 62291.3958183632. The cubic root of 3880217993 is about 1571.3950294293.

The spelling of 3880217993 in words is "three billion, eight hundred eighty million, two hundred seventeen thousand, nine hundred ninety-three".