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2681482849 is a prime number
BaseRepresentation
bin1001111111010100…
…0010111001100001
320220212200102221121
42133311002321201
520442424422344
61122025252241
7123310141153
oct23765027141
96825612847
102681482849
111156699831
1262a034081
13339702256
141b61b2ad3
1510a628684
hex9fd42e61

2681482849 has 2 divisors, whose sum is σ = 2681482850. Its totient is φ = 2681482848.

The previous prime is 2681482847. The next prime is 2681482877. The reversal of 2681482849 is 9482841862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1469955600 + 1211527249 = 38340^2 + 34807^2 .

It is a cyclic number.

It is not a de Polignac number, because 2681482849 - 21 = 2681482847 is a prime.

Together with 2681482847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2681482796 and 2681482805.

It is not a weakly prime, because it can be changed into another prime (2681482847) 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, 1340741424 + 1340741425.

It is an arithmetic number, because the mean of its divisors is an integer number (1340741425).

Almost surely, 22681482849 is an apocalyptic number.

It is an amenable number.

2681482849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681482849 is an equidigital number, since it uses as much as digits as its factorization.

2681482849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1769472, while the sum is 52.

The square root of 2681482849 is about 51783.0363053385. The cubic root of 2681482849 is about 1389.2860486525.

The spelling of 2681482849 in words is "two billion, six hundred eighty-one million, four hundred eighty-two thousand, eight hundred forty-nine".