Search a number
-
+
30210720011 is a prime number
BaseRepresentation
bin11100001000101100…
…110000000100001011
32212222102210120212222
4130020230300010023
5443332421020021
621513440324255
72116435611623
oct341054600413
985872716788
1030210720011
11118a31890aa
125a3161368b
132b05c338b4
14166841b883
15bbc39e6ab
hex708b3010b

30210720011 has 2 divisors, whose sum is σ = 30210720012. Its totient is φ = 30210720010.

The previous prime is 30210719999. The next prime is 30210720013. The reversal of 30210720011 is 11002701203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30210720011 - 210 = 30210718987 is a prime.

Together with 30210720013, 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 (30210720013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105360005 + 15105360006.

It is an arithmetic number, because the mean of its divisors is an integer number (15105360006).

Almost surely, 230210720011 is an apocalyptic number.

30210720011 is a deficient number, since it is larger than the sum of its proper divisors (1).

30210720011 is an equidigital number, since it uses as much as digits as its factorization.

30210720011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The spelling of 30210720011 in words is "thirty billion, two hundred ten million, seven hundred twenty thousand, eleven".