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317146028857 = 7109363414277
BaseRepresentation
bin1001001110101110110…
…00000101101100111001
31010022121110012112120221
410213113120011230321
520144003340410412
6401410032020041
731625113523560
oct4472730055471
91108543175527
10317146028857
11112556735589
125156b691621
1323ba3160508
14114c8394bd7
1583b2acdb07
hex49d7605b39

317146028857 has 8 divisors (see below), whose sum is σ = 362456793536. Its totient is φ = 271836311472.

The previous prime is 317146028827. The next prime is 317146028863. The reversal of 317146028857 is 758820641713.

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 317146028857 - 27 = 317146028729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317146028827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558403 + ... + 972679.

It is an arithmetic number, because the mean of its divisors is an integer number (45307099192).

Almost surely, 2317146028857 is an apocalyptic number.

It is an amenable number.

317146028857 is a deficient number, since it is larger than the sum of its proper divisors (45310764679).

317146028857 is a wasteful number, since it uses less digits than its factorization.

317146028857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523647.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 317146028857 in words is "three hundred seventeen billion, one hundred forty-six million, twenty-eight thousand, eight hundred fifty-seven".

Divisors: 1 7 109363 414277 765541 2899939 45306575551 317146028857