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30011101 is a prime number
BaseRepresentation
bin111001001111…
…0111011011101
32002110201111021
41302132323131
530140323401
62551124141
7513042631
oct162367335
962421437
1030011101
1115a3886a
12a073651
1362aa063
143db2dc1
15297c2a1
hex1c9eedd

30011101 has 2 divisors, whose sum is σ = 30011102. Its totient is φ = 30011100.

The previous prime is 30011077. The next prime is 30011123. The reversal of 30011101 is 10111003.

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., 20702500 + 9308601 = 4550^2 + 3051^2 .

It is a cyclic number.

It is not a de Polignac number, because 30011101 - 27 = 30010973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30011141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15005550 + 15005551.

It is an arithmetic number, because the mean of its divisors is an integer number (15005551).

Almost surely, 230011101 is an apocalyptic number.

It is an amenable number.

30011101 is a deficient number, since it is larger than the sum of its proper divisors (1).

30011101 is an equidigital number, since it uses as much as digits as its factorization.

30011101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3, while the sum is 7.

The square root of 30011101 is about 5478.2388593416. The cubic root of 30011101 is about 310.7615718558.

Adding to 30011101 its reverse (10111003), we get a palindrome (40122104).

The spelling of 30011101 in words is "thirty million, eleven thousand, one hundred one".