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6893657317 is a prime number
BaseRepresentation
bin1100110101110010…
…01101110011100101
3122210102122002001101
412122321031303211
5103104234013232
63100015000101
7332555056201
oct63271156345
918712562041
106893657317
112a18320858
121404809031
1385b281491
14495797b01
152a53101e7
hex19ae4dce5

6893657317 has 2 divisors, whose sum is σ = 6893657318. Its totient is φ = 6893657316.

The previous prime is 6893657299. The next prime is 6893657327. The reversal of 6893657317 is 7137563986.

6893657317 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4888946241 + 2004711076 = 69921^2 + 44774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6893657317 is a prime.

It is a super-2 number, since 2×68936573172 = 95045022408455276978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6893657327) 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, 3446828658 + 3446828659.

It is an arithmetic number, because the mean of its divisors is an integer number (3446828659).

Almost surely, 26893657317 is an apocalyptic number.

It is an amenable number.

6893657317 is a deficient number, since it is larger than the sum of its proper divisors (1).

6893657317 is an equidigital number, since it uses as much as digits as its factorization.

6893657317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 55.

The square root of 6893657317 is about 83028.0513862634. The cubic root of 6893657317 is about 1903.1947468026.

It can be divided in two parts, 68936 and 57317, that added together give a triangular number (126253 = T502).

The spelling of 6893657317 in words is "six billion, eight hundred ninety-three million, six hundred fifty-seven thousand, three hundred seventeen".