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316146580081 = 6135314681957
BaseRepresentation
bin1001001100110111100…
…11011111101001110001
31010020000210120021121121
410212123303133221301
520134432011030311
6401122530222241
731561256410003
oct4463363375161
91106023507547
10316146580081
11112093558962
1251330a24981
1323a740871c7
141143174c373
158354eaab71
hex499bcdfa71

316146580081 has 8 divisors (see below), whose sum is σ = 322239614184. Its totient is φ = 310082910720.

The previous prime is 316146580069. The next prime is 316146580097. The reversal of 316146580081 is 180085641613.

It can be written as a sum of positive squares in 4 ways, for example, as 43854642225 + 272291937856 = 209415^2 + 521816^2 .

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 316146580081 - 29 = 316146579569 is a prime.

It is a super-2 number, since 2×3161465800812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316146580681) 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 7 ways as a sum of consecutive naturals, for example, 7319446 + ... + 7362511.

It is an arithmetic number, because the mean of its divisors is an integer number (40279951773).

Almost surely, 2316146580081 is an apocalyptic number.

It is an amenable number.

316146580081 is a deficient number, since it is larger than the sum of its proper divisors (6093034103).

316146580081 is a wasteful number, since it uses less digits than its factorization.

316146580081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14682371.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 316146580081 in words is "three hundred sixteen billion, one hundred forty-six million, five hundred eighty thousand, eighty-one".

Divisors: 1 61 353 21533 14681957 895599377 5182730821 316146580081