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316394839680 = 27356710323879
BaseRepresentation
bin1001001101010101001…
…10100001111010000000
31010020200002201011202120
410212222212201322000
520140434034332210
6401203315244240
731600362522633
oct4465246417200
91106602634676
10316394839680
11112200702a87
125139bba9680
1323ab363a68a
14114566d3c1a
15836bb99270
hex49aa9a1e80

316394839680 has 256 divisors, whose sum is σ = 1033541683200. Its totient is φ = 82302308352.

The previous prime is 316394839679. The next prime is 316394839759. The reversal of 316394839680 is 86938493613.

It is a super-2 number, since 2×3163948396802 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13237981 + ... + 13261859.

It is an arithmetic number, because the mean of its divisors is an integer number (4037272200).

Almost surely, 2316394839680 is an apocalyptic number.

316394839680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316394839680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516770841600).

316394839680 is an abundant number, since it is smaller than the sum of its proper divisors (717146843520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316394839680 is a wasteful number, since it uses less digits than its factorization.

316394839680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24071 (or 24059 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 60.

The spelling of 316394839680 in words is "three hundred sixteen billion, three hundred ninety-four million, eight hundred thirty-nine thousand, six hundred eighty".