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2142857143061 is a prime number
BaseRepresentation
bin11111001011101100001…
…111010010001100010101
321120212002101202122011122
4133023230033102030111
5240102032412034221
64320225345213325
7310546666120355
oct37135417221425
97525071678148
102142857143061
11756864aa1888
122a7372631245
131270bc04005b
1475a01738b65
153ab19974eab
hex1f2ec3d2315

2142857143061 has 2 divisors, whose sum is σ = 2142857143062. Its totient is φ = 2142857143060.

The previous prime is 2142857143013. The next prime is 2142857143087. The reversal of 2142857143061 is 1603417582412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2140386556036 + 2470587025 = 1463006^2 + 49705^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142857143061 - 210 = 2142857142037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142857133061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071428571530 + 1071428571531.

It is an arithmetic number, because the mean of its divisors is an integer number (1071428571531).

Almost surely, 22142857143061 is an apocalyptic number.

It is an amenable number.

2142857143061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142857143061 is an equidigital number, since it uses as much as digits as its factorization.

2142857143061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 2142857143061 in words is "two trillion, one hundred forty-two billion, eight hundred fifty-seven million, one hundred forty-three thousand, sixty-one".