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2882906561 is a prime number
BaseRepresentation
bin1010101111010101…
…1010100111000001
321102220200211100002
42223311122213001
521401011002221
61154022405345
7131304205253
oct25365324701
97386624302
102882906561
11124a364407
12685590855
1336c367592
141d4c45cd3
1511d16480b
hexabd5a9c1

2882906561 has 2 divisors, whose sum is σ = 2882906562. Its totient is φ = 2882906560.

The previous prime is 2882906531. The next prime is 2882906581. The reversal of 2882906561 is 1656092882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2878966336 + 3940225 = 53656^2 + 1985^2 .

It is a cyclic number.

It is not a de Polignac number, because 2882906561 - 230 = 1809164737 is a prime.

It is a super-2 number, since 2×28829065612 = 16622300478913693442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2882906531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1441453280 + 1441453281.

It is an arithmetic number, because the mean of its divisors is an integer number (1441453281).

Almost surely, 22882906561 is an apocalyptic number.

It is an amenable number.

2882906561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2882906561 is an equidigital number, since it uses as much as digits as its factorization.

2882906561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 2882906561 is about 53692.7049141687. The cubic root of 2882906561 is about 1423.2357871394.

The spelling of 2882906561 in words is "two billion, eight hundred eighty-two million, nine hundred six thousand, five hundred sixty-one".