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2886147881 is a prime number
BaseRepresentation
bin1010110000000111…
…0001111100101001
321110010210111120222
42230001301330221
521402323213011
61154220055425
7131343565211
oct25401617451
97403714528
102886147881
111251178691
12686694575
1336cc30a16
141d544b241
1511d5a4ddb
hexac071f29

2886147881 has 2 divisors, whose sum is σ = 2886147882. Its totient is φ = 2886147880.

The previous prime is 2886147857. The next prime is 2886147883. The reversal of 2886147881 is 1887416882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2117472256 + 768675625 = 46016^2 + 27725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2886147881 is a prime.

It is a super-2 number, since 2×28861478812 = 16659699182001580322, which contains 22 as substring.

Together with 2886147883, 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 (2886147883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1443073940 + 1443073941.

It is an arithmetic number, because the mean of its divisors is an integer number (1443073941).

Almost surely, 22886147881 is an apocalyptic number.

It is an amenable number.

2886147881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2886147881 is an equidigital number, since it uses as much as digits as its factorization.

2886147881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1376256, while the sum is 53.

The square root of 2886147881 is about 53722.8804235216. The cubic root of 2886147881 is about 1423.7689799094.

The spelling of 2886147881 in words is "two billion, eight hundred eighty-six million, one hundred forty-seven thousand, eight hundred eighty-one".