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50005000049 is a prime number
BaseRepresentation
bin101110100100100001…
…111011111101110001
311210001221020012101212
4232210201323331301
51304402240000144
634545540405505
73420112326104
oct564441737561
9153057205355
1050005000049
111a230578724
1298366a6895
13493bb00834
1425c527273b
15147a03149e
hexba487bf71

50005000049 has 2 divisors, whose sum is σ = 50005000050. Its totient is φ = 50005000048.

The previous prime is 50004999977. The next prime is 50005000061. The reversal of 50005000049 is 94000050005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35836383025 + 14168617024 = 189305^2 + 119032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50005000049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50004999988 and 50005000033.

It is not a weakly prime, because it can be changed into another prime (50005000249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25002500024 + 25002500025.

It is an arithmetic number, because the mean of its divisors is an integer number (25002500025).

Almost surely, 250005000049 is an apocalyptic number.

It is an amenable number.

50005000049 is a deficient number, since it is larger than the sum of its proper divisors (1).

50005000049 is an equidigital number, since it uses as much as digits as its factorization.

50005000049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 50005000049 in words is "fifty billion, five million, forty-nine", and thus it is an aban number and an uban number.