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2887142149 is a prime number
BaseRepresentation
bin1010110000010110…
…0100101100000101
321110012200000110201
42230011210230011
521403102022044
61154253250501
7131355206023
oct25405445405
97405600421
102887142149
1112517976a1
12686a93a31
133701bb448
141d5629713
1511d6ee7d4
hexac164b05

2887142149 has 2 divisors, whose sum is σ = 2887142150. Its totient is φ = 2887142148.

The previous prime is 2887142129. The next prime is 2887142171. The reversal of 2887142149 is 9412417882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1780249249 + 1106892900 = 42193^2 + 33270^2 .

It is a cyclic number.

It is not a de Polignac number, because 2887142149 - 27 = 2887142021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2887142099 and 2887142108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2887142119) 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, 1443571074 + 1443571075.

It is an arithmetic number, because the mean of its divisors is an integer number (1443571075).

Almost surely, 22887142149 is an apocalyptic number.

It is an amenable number.

2887142149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2887142149 is an equidigital number, since it uses as much as digits as its factorization.

2887142149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 46.

The square root of 2887142149 is about 53732.1333002888. The cubic root of 2887142149 is about 1423.9324556411.

The spelling of 2887142149 in words is "two billion, eight hundred eighty-seven million, one hundred forty-two thousand, one hundred forty-nine".