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316132543161 = 3235125838129
BaseRepresentation
bin1001001100110101111…
…01111100101010111001
31010012222211011010120200
410212122331330222321
520134414412340121
6401121305312413
731561026165021
oct4463275745271
91105884133520
10316132543161
111120866407a6
1251328195709
1323a711b1036
141142d936a81
158353b36a26
hex499af7cab9

316132543161 has 6 divisors (see below), whose sum is σ = 456635895690. Its totient is φ = 210755028768.

The previous prime is 316132543109. The next prime is 316132543169. The reversal of 316132543161 is 161345231613.

316132543161 is a `hidden beast` number, since 3 + 1 + 613 + 2 + 5 + 4 + 31 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 216951008400 + 99181534761 = 465780^2 + 314931^2 .

It is a de Polignac number, because none of the positive numbers 2k-316132543161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (316132543169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17562919056 + ... + 17562919073.

It is an arithmetic number, because the mean of its divisors is an integer number (76105982615).

Almost surely, 2316132543161 is an apocalyptic number.

It is an amenable number.

316132543161 is a deficient number, since it is larger than the sum of its proper divisors (140503352529).

316132543161 is a wasteful number, since it uses less digits than its factorization.

316132543161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35125838135 (or 35125838132 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

Adding to 316132543161 its reverse (161345231613), we get a palindrome (477477774774).

The spelling of 316132543161 in words is "three hundred sixteen billion, one hundred thirty-two million, five hundred forty-three thousand, one hundred sixty-one".

Divisors: 1 3 9 35125838129 105377514387 316132543161