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316424250257 = 10917316780201
BaseRepresentation
bin1001001101011000101…
…10101110001110010001
31010020202011001101111012
410212230112232032101
520141014102002012
6401210245500305
731601200515023
oct4465426561621
91106664041435
10316424250257
11112216270645
12513a9a11695
1323ab976729b
141145a58c013
15836e558622
hex49ac5ae391

316424250257 has 8 divisors (see below), whose sum is σ = 321173066280. Its totient is φ = 311708995200.

The previous prime is 316424250253. The next prime is 316424250293. The reversal of 316424250257 is 752052424613.

It is a Cunningham number, because it is equal to 5625162+1.

It can be written as a sum of positive squares in 4 ways, for example, as 125908586896 + 190515663361 = 354836^2 + 436481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316424250257 - 22 = 316424250253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316424250253) 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 in 7 ways as a sum of consecutive naturals, for example, 8371244 + ... + 8408957.

It is an arithmetic number, because the mean of its divisors is an integer number (40146633285).

Almost surely, 2316424250257 is an apocalyptic number.

It is an amenable number.

316424250257 is a deficient number, since it is larger than the sum of its proper divisors (4748816023).

316424250257 is a wasteful number, since it uses less digits than its factorization.

316424250257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16780483.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 316424250257 in words is "three hundred sixteen billion, four hundred twenty-four million, two hundred fifty thousand, two hundred fifty-seven".

Divisors: 1 109 173 18857 16780201 1829041909 2902974773 316424250257