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2800504897 is a prime number
BaseRepresentation
bin1010011011101100…
…0101000001000001
321020011122101111121
42212323011001001
521213412124042
61141520312241
7126253620211
oct24673050101
97204571447
102800504897
1112078a2863
12661a72681
13358275cb8
141c7d16241
15115cd9367
hexa6ec5041

2800504897 has 2 divisors, whose sum is σ = 2800504898. Its totient is φ = 2800504896.

The previous prime is 2800504879. The next prime is 2800504907. The reversal of 2800504897 is 7984050082.

Together with previous prime (2800504879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2424183696 + 376321201 = 49236^2 + 19399^2 .

It is a cyclic number.

It is not a de Polignac number, because 2800504897 - 223 = 2792116289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2800504807) 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, 1400252448 + 1400252449.

It is an arithmetic number, because the mean of its divisors is an integer number (1400252449).

Almost surely, 22800504897 is an apocalyptic number.

It is an amenable number.

2800504897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2800504897 is an equidigital number, since it uses as much as digits as its factorization.

2800504897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 2800504897 is about 52919.7968344551. The cubic root of 2800504897 is about 1409.5444594163.

The spelling of 2800504897 in words is "two billion, eight hundred million, five hundred four thousand, eight hundred ninety-seven".