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30770020361 is a prime number
BaseRepresentation
bin11100101010000010…
…010100000000001001
32221102102012222201202
4130222002110000021
51001004111122421
622045140153545
72136336600113
oct345202240011
987372188652
1030770020361
111205a9687a3
125b689988b5
132b94a7c352
1416bc80c3b3
15c0152d10b
hex72a094009

30770020361 has 2 divisors, whose sum is σ = 30770020362. Its totient is φ = 30770020360.

The previous prime is 30770020291. The next prime is 30770020381. The reversal of 30770020361 is 16302007703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28719741961 + 2050278400 = 169469^2 + 45280^2 .

It is a cyclic number.

It is not a de Polignac number, because 30770020361 - 234 = 13590151177 is a prime.

It is not a weakly prime, because it can be changed into another prime (30770020381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15385010180 + 15385010181.

It is an arithmetic number, because the mean of its divisors is an integer number (15385010181).

Almost surely, 230770020361 is an apocalyptic number.

It is an amenable number.

30770020361 is a deficient number, since it is larger than the sum of its proper divisors (1).

30770020361 is an equidigital number, since it uses as much as digits as its factorization.

30770020361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 29.

The spelling of 30770020361 in words is "thirty billion, seven hundred seventy million, twenty thousand, three hundred sixty-one".