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2872989617 is a prime number
BaseRepresentation
bin1010101100111110…
…0101011110110001
321102020000222211212
42223033211132301
521340441131432
61153030045505
7131124003011
oct25317453661
97366028755
102872989617
111244800693
126821a9895
1336a2a4774
141d37c3c41
1511c3562b2
hexab3e57b1

2872989617 has 2 divisors, whose sum is σ = 2872989618. Its totient is φ = 2872989616.

The previous prime is 2872989607. The next prime is 2872989619. The reversal of 2872989617 is 7169892782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2450646016 + 422343601 = 49504^2 + 20551^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872989617 - 220 = 2871941041 is a prime.

Together with 2872989619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2872989619) 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, 1436494808 + 1436494809.

It is an arithmetic number, because the mean of its divisors is an integer number (1436494809).

Almost surely, 22872989617 is an apocalyptic number.

It is an amenable number.

2872989617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872989617 is an equidigital number, since it uses as much as digits as its factorization.

2872989617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 59.

The square root of 2872989617 is about 53600.2762772730. The cubic root of 2872989617 is about 1421.6019771737.

The spelling of 2872989617 in words is "two billion, eight hundred seventy-two million, nine hundred eighty-nine thousand, six hundred seventeen".