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317541812053 = 2910949717657
BaseRepresentation
bin1001001111011101111…
…01111000011101010101
31010100122000221102001211
410213232331320131111
520200311200441203
6401513211021421
731640660603464
oct4475675703525
91110560842054
10317541812053
1111273a090334
125166013a871
1323c3715665b
1411524b7c9db
1583d770cc6d
hex49eef78755

317541812053 has 4 divisors (see below), whose sum is σ = 328491529740. Its totient is φ = 306592094368.

The previous prime is 317541812051. The next prime is 317541812171. The reversal of 317541812053 is 350218145713.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 249273528529 + 68268283524 = 499273^2 + 261282^2 .

It is a cyclic number.

It is not a de Polignac number, because 317541812053 - 21 = 317541812051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 317541811997 and 317541812015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317541812051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5474858800 + ... + 5474858857.

It is an arithmetic number, because the mean of its divisors is an integer number (82122882435).

Almost surely, 2317541812053 is an apocalyptic number.

It is an amenable number.

317541812053 is a deficient number, since it is larger than the sum of its proper divisors (10949717687).

317541812053 is a wasteful number, since it uses less digits than its factorization.

317541812053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10949717686.

The product of its (nonzero) digits is 100800, while the sum is 40.

Adding to 317541812053 its reverse (350218145713), we get a palindrome (667759957766).

The spelling of 317541812053 in words is "three hundred seventeen billion, five hundred forty-one million, eight hundred twelve thousand, fifty-three".

Divisors: 1 29 10949717657 317541812053