Search a number
-
+
3020995987 is a prime number
BaseRepresentation
bin1011010000010000…
…1011110110010011
321210112112111102021
42310010023312103
522141333332422
61215434232311
7134602020322
oct26404136623
97715474367
103020995987
111310300aa9
12703885697
13391b560b9
142093100b9
1512a33edc7
hexb410bd93

3020995987 has 2 divisors, whose sum is σ = 3020995988. Its totient is φ = 3020995986.

The previous prime is 3020995979. The next prime is 3020995993. The reversal of 3020995987 is 7895990203.

It is a strong prime.

It is an emirp because it is prime and its reverse (7895990203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3020995987 - 23 = 3020995979 is a prime.

It is not a weakly prime, because it can be changed into another prime (3020996987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510497993 + 1510497994.

It is an arithmetic number, because the mean of its divisors is an integer number (1510497994).

Almost surely, 23020995987 is an apocalyptic number.

3020995987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020995987 is an equidigital number, since it uses as much as digits as its factorization.

3020995987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 3020995987 is about 54963.5878286707. The cubic root of 3020995987 is about 1445.6063573522.

The spelling of 3020995987 in words is "three billion, twenty million, nine hundred ninety-five thousand, nine hundred eighty-seven".