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1655055013 is a prime number
BaseRepresentation
bin110001010100110…
…0010001010100101
311021100021111122211
41202221202022211
511342143230023
6432121323421
756004510163
oct14251421245
94240244584
101655055013
1177a265367
123a2336571
13204b70cc1
14119b46233
159a476a0d
hex62a622a5

1655055013 has 2 divisors, whose sum is σ = 1655055014. Its totient is φ = 1655055012.

The previous prime is 1655054981. The next prime is 1655055037. The reversal of 1655055013 is 3105505561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990549729 + 664505284 = 31473^2 + 25778^2 .

It is an emirp because it is prime and its reverse (3105505561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1655055013 - 25 = 1655054981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1655055053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827527506 + 827527507.

It is an arithmetic number, because the mean of its divisors is an integer number (827527507).

Almost surely, 21655055013 is an apocalyptic number.

It is an amenable number.

1655055013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655055013 is an equidigital number, since it uses as much as digits as its factorization.

1655055013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 1655055013 is about 40682.3673475377. The cubic root of 1655055013 is about 1182.8712547166.

The spelling of 1655055013 in words is "one billion, six hundred fifty-five million, fifty-five thousand, thirteen".