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14728959457 is a prime number
BaseRepresentation
bin11011011011110101…
…00001010111100001
31102000111010122221221
431231322201113201
5220131103200312
610433312415041
71030666042522
oct155572412741
942014118857
1014728959457
116279128273
122a30847481
13150964a734
149da22c849
155b3126207
hex36dea15e1

14728959457 has 2 divisors, whose sum is σ = 14728959458. Its totient is φ = 14728959456.

The previous prime is 14728959431. The next prime is 14728959523. The reversal of 14728959457 is 75495982741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14728006881 + 952576 = 121359^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 14728959457 - 215 = 14728926689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14728959395 and 14728959404.

It is not a weakly prime, because it can be changed into another prime (14728459457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7364479728 + 7364479729.

It is an arithmetic number, because the mean of its divisors is an integer number (7364479729).

Almost surely, 214728959457 is an apocalyptic number.

It is an amenable number.

14728959457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14728959457 is an equidigital number, since it uses as much as digits as its factorization.

14728959457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25401600, while the sum is 61.

The spelling of 14728959457 in words is "fourteen billion, seven hundred twenty-eight million, nine hundred fifty-nine thousand, four hundred fifty-seven".