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316540454271 = 31914937270747
BaseRepresentation
bin1001001101100110100…
…10000000010101111111
31010021001020201011102120
410212303102000111333
520141233324014041
6401230000254023
731604111316156
oct4466322002577
91107036634376
10316540454271
1111227591a418
1251420911313
1323b07862462
141146bb9a59d
15837985e366
hex49b348057f

316540454271 has 16 divisors (see below), whose sum is σ = 447248976000. Its totient is φ = 198578534688.

The previous prime is 316540454267. The next prime is 316540454273. The reversal of 316540454271 is 172454045613.

It is not a de Polignac number, because 316540454271 - 22 = 316540454267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316540454273) 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 15 ways as a sum of consecutive naturals, for example, 18626881 + ... + 18643866.

It is an arithmetic number, because the mean of its divisors is an integer number (27953061000).

Almost surely, 2316540454271 is an apocalyptic number.

316540454271 is a deficient number, since it is larger than the sum of its proper divisors (130708521729).

316540454271 is a wasteful number, since it uses less digits than its factorization.

316540454271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37270918.

The product of its (nonzero) digits is 403200, while the sum is 42.

Adding to 316540454271 its reverse (172454045613), we get a palindrome (488994499884).

The spelling of 316540454271 in words is "three hundred sixteen billion, five hundred forty million, four hundred fifty-four thousand, two hundred seventy-one".

Divisors: 1 3 19 57 149 447 2831 8493 37270747 111812241 708144193 2124432579 5553341303 16660023909 105513484757 316540454271