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50181075797 is a prime number
BaseRepresentation
bin101110101111000001…
…100111001101010101
311210112012112202220212
4232233001213031111
51310232323411142
635015230335205
73424351051346
oct565701471525
9153465482825
1050181075797
111a3109aaa76
12988565a505
13496942c478
1426007c80cd
15148a711d82
hexbaf067355

50181075797 has 2 divisors, whose sum is σ = 50181075798. Its totient is φ = 50181075796.

The previous prime is 50181075743. The next prime is 50181075817. The reversal of 50181075797 is 79757018105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32848300081 + 17332775716 = 181241^2 + 131654^2 .

It is a cyclic number.

It is not a de Polignac number, because 50181075797 - 220 = 50180027221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50181075727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25090537898 + 25090537899.

It is an arithmetic number, because the mean of its divisors is an integer number (25090537899).

Almost surely, 250181075797 is an apocalyptic number.

It is an amenable number.

50181075797 is a deficient number, since it is larger than the sum of its proper divisors (1).

50181075797 is an equidigital number, since it uses as much as digits as its factorization.

50181075797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617400, while the sum is 50.

The spelling of 50181075797 in words is "fifty billion, one hundred eighty-one million, seventy-five thousand, seven hundred ninety-seven".