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3116888857 is a prime number
BaseRepresentation
bin1011100111000111…
…1111001100011001
322001012222100201001
42321301333030121
522340410420412
61233141425001
7140145055345
oct27161771431
98035870631
103116888857
11135a447805
1272ba0b161
133a898c344
14217d52625
15133982957
hexb9c7f319

3116888857 has 2 divisors, whose sum is σ = 3116888858. Its totient is φ = 3116888856.

The previous prime is 3116888837. The next prime is 3116888897. The reversal of 3116888857 is 7588886113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1884949056 + 1231939801 = 43416^2 + 35099^2 .

It is a cyclic number.

It is not a de Polignac number, because 3116888857 - 211 = 3116886809 is a prime.

It is a super-2 number, since 2×31168888572 = 19429992293781532898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3116888798 and 3116888807.

It is not a weakly prime, because it can be changed into another prime (3116888837) 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, 1558444428 + 1558444429.

It is an arithmetic number, because the mean of its divisors is an integer number (1558444429).

Almost surely, 23116888857 is an apocalyptic number.

It is an amenable number.

3116888857 is a deficient number, since it is larger than the sum of its proper divisors (1).

3116888857 is an equidigital number, since it uses as much as digits as its factorization.

3116888857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 55.

The square root of 3116888857 is about 55829.1040318578. The cubic root of 3116888857 is about 1460.7428597498.

The spelling of 3116888857 in words is "three billion, one hundred sixteen million, eight hundred eighty-eight thousand, eight hundred fifty-seven".