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30111111049 is a prime number
BaseRepresentation
bin11100000010110000…
…110001011110001001
32212201111100221002011
4130002300301132021
5443131421023144
621455521335521
72114116135525
oct340260613611
985644327064
1030111111049
1111851a34448
125a041975a1
132abb3c9096
1416590ccd85
15bb3775a34
hex702c31789

30111111049 has 2 divisors, whose sum is σ = 30111111050. Its totient is φ = 30111111048.

The previous prime is 30111110993. The next prime is 30111111067. The reversal of 30111111049 is 94011111103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18475605625 + 11635505424 = 135925^2 + 107868^2 .

It is a cyclic number.

It is not a de Polignac number, because 30111111049 - 221 = 30109013897 is a prime.

It is a super-3 number, since 3×301111110493 (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (30111111649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15055555524 + 15055555525.

It is an arithmetic number, because the mean of its divisors is an integer number (15055555525).

Almost surely, 230111111049 is an apocalyptic number.

It is an amenable number.

30111111049 is a deficient number, since it is larger than the sum of its proper divisors (1).

30111111049 is an equidigital number, since it uses as much as digits as its factorization.

30111111049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 30111111049 in words is "thirty billion, one hundred eleven million, one hundred eleven thousand, forty-nine".