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300310021049 is a prime number
BaseRepresentation
bin1000101111010111101…
…11110100001110111001
31001201011010021201200012
410113223313310032321
514410013331133144
6345543245551305
730460651026653
oct4275367641671
91051133251605
10300310021049
111063a71a5745
124a251275535
132241c127a0c
141076c3a36d3
157c299ebe9e
hex45ebdf43b9

300310021049 has 2 divisors, whose sum is σ = 300310021050. Its totient is φ = 300310021048.

The previous prime is 300310021007. The next prime is 300310021061. The reversal of 300310021049 is 940120013003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300159345424 + 150675625 = 547868^2 + 12275^2 .

It is an emirp because it is prime and its reverse (940120013003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 300310021049 - 228 = 300041585593 is a prime.

It is a super-2 number, since 2×3003100210492 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (300310051049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150155010524 + 150155010525.

It is an arithmetic number, because the mean of its divisors is an integer number (150155010525).

Almost surely, 2300310021049 is an apocalyptic number.

It is an amenable number.

300310021049 is a deficient number, since it is larger than the sum of its proper divisors (1).

300310021049 is an equidigital number, since it uses as much as digits as its factorization.

300310021049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 300310021049 in words is "three hundred billion, three hundred ten million, twenty-one thousand, forty-nine".