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2871092857 is a prime number
BaseRepresentation
bin1010101100100001…
…0110011001111001
321102002110121222111
42223020112121321
521334444432412
61152521252321
7131101613053
oct25310263171
97362417874
102871092857
111243725616
126816340a1
13369a8c319
141d344c8d3
1511c0ce2a7
hexab216679

2871092857 has 2 divisors, whose sum is σ = 2871092858. Its totient is φ = 2871092856.

The previous prime is 2871092849. The next prime is 2871092881. The reversal of 2871092857 is 7582901782.

2871092857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2851987216 + 19105641 = 53404^2 + 4371^2 .

It is a cyclic number.

It is not a de Polignac number, because 2871092857 - 23 = 2871092849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2871092857.

It is not a weakly prime, because it can be changed into another prime (2871092827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435546428 + 1435546429.

It is an arithmetic number, because the mean of its divisors is an integer number (1435546429).

Almost surely, 22871092857 is an apocalyptic number.

It is an amenable number.

2871092857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2871092857 is an equidigital number, since it uses as much as digits as its factorization.

2871092857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 2871092857 is about 53582.5797904506. The cubic root of 2871092857 is about 1421.2890590706.

The spelling of 2871092857 in words is "two billion, eight hundred seventy-one million, ninety-two thousand, eight hundred fifty-seven".