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387573487061 is a prime number
BaseRepresentation
bin1011010001111010010…
…11100001010111010101
31101001101122220002212212
411220331023201113111
522322222303041221
6454014312523205
740000301166215
oct5507513412725
91331348802785
10387573487061
1113a4071472a2
12631456b0505
132a7180114c7
1414a89a7c245
15a1359c8b5b
hex5a3d2e15d5

387573487061 has 2 divisors, whose sum is σ = 387573487062. Its totient is φ = 387573487060.

The previous prime is 387573487013. The next prime is 387573487069. The reversal of 387573487061 is 160784375783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225345786436 + 162227700625 = 474706^2 + 402775^2 .

It is a cyclic number.

It is not a de Polignac number, because 387573487061 - 214 = 387573470677 is a prime.

It is a super-3 number, since 3×3875734870613 (a number of 36 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387573487069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193786743530 + 193786743531.

It is an arithmetic number, because the mean of its divisors is an integer number (193786743531).

Almost surely, 2387573487061 is an apocalyptic number.

It is an amenable number.

387573487061 is a deficient number, since it is larger than the sum of its proper divisors (1).

387573487061 is an equidigital number, since it uses as much as digits as its factorization.

387573487061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23708160, while the sum is 59.

The spelling of 387573487061 in words is "three hundred eighty-seven billion, five hundred seventy-three million, four hundred eighty-seven thousand, sixty-one".