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51280482433 is a prime number
BaseRepresentation
bin101111110000100011…
…100001000010000001
311220100211021102022011
4233300203201002001
51320010300414213
635320302412521
73463530623455
oct576043410201
9156324242264
1051280482433
111a82554a4a4
129b31891141
134ab313303b
1426a6810665
151501ecc03d
hexbf08e1081

51280482433 has 2 divisors, whose sum is σ = 51280482434. Its totient is φ = 51280482432.

The previous prime is 51280482403. The next prime is 51280482479. The reversal of 51280482433 is 33428408215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31369014769 + 19911467664 = 177113^2 + 141108^2 .

It is a cyclic number.

It is not a de Polignac number, because 51280482433 - 25 = 51280482401 is a prime.

It is a super-2 number, since 2×512804824332 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51280482403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25640241216 + 25640241217.

It is an arithmetic number, because the mean of its divisors is an integer number (25640241217).

Almost surely, 251280482433 is an apocalyptic number.

It is an amenable number.

51280482433 is a deficient number, since it is larger than the sum of its proper divisors (1).

51280482433 is an equidigital number, since it uses as much as digits as its factorization.

51280482433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 51280482433 in words is "fifty-one billion, two hundred eighty million, four hundred eighty-two thousand, four hundred thirty-three".