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2851297853 is a prime number
BaseRepresentation
bin1010100111110011…
…0101101000111101
321100201012221100012
42221330311220331
521314413012403
61150533113005
7130441426505
oct25174655075
97321187305
102851297853
111233535308
12676a88765
1336594b2c1
141d0978a05
1511a4bded8
hexa9f35a3d

2851297853 has 2 divisors, whose sum is σ = 2851297854. Its totient is φ = 2851297852.

The previous prime is 2851297769. The next prime is 2851297861. The reversal of 2851297853 is 3587921582.

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., 1801408249 + 1049889604 = 42443^2 + 32402^2 .

It is a cyclic number.

It is not a de Polignac number, because 2851297853 - 214 = 2851281469 is a prime.

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 (2851297873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425648926 + 1425648927.

It is an arithmetic number, because the mean of its divisors is an integer number (1425648927).

Almost surely, 22851297853 is an apocalyptic number.

It is an amenable number.

2851297853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2851297853 is an equidigital number, since it uses as much as digits as its factorization.

2851297853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 50.

The square root of 2851297853 is about 53397.5453836597. The cubic root of 2851297853 is about 1418.0151222523.

The spelling of 2851297853 in words is "two billion, eight hundred fifty-one million, two hundred ninety-seven thousand, eight hundred fifty-three".