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30745000469 is a prime number
BaseRepresentation
bin11100101000100010…
…110111101000010101
32221100200010211220002
4130220202313220111
51000431210003334
622042444021045
72135614122611
oct345042675025
987320124802
1030745000469
11120478299a7
125b60531785
132b8c82c091
1416b9378341
15bee239b7e
hex7288b7a15

30745000469 has 2 divisors, whose sum is σ = 30745000470. Its totient is φ = 30745000468.

The previous prime is 30745000457. The next prime is 30745000523. The reversal of 30745000469 is 96400054703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20536323025 + 10208677444 = 143305^2 + 101038^2 .

It is a cyclic number.

It is not a de Polignac number, because 30745000469 - 28 = 30745000213 is a prime.

It is a super-2 number, since 2×307450004692 (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30745000439) 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, 15372500234 + 15372500235.

It is an arithmetic number, because the mean of its divisors is an integer number (15372500235).

Almost surely, 230745000469 is an apocalyptic number.

It is an amenable number.

30745000469 is a deficient number, since it is larger than the sum of its proper divisors (1).

30745000469 is an equidigital number, since it uses as much as digits as its factorization.

30745000469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 30745000469 in words is "thirty billion, seven hundred forty-five million, four hundred sixty-nine", and thus it is an aban number.