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316990396485 = 34572413171229
BaseRepresentation
bin1001001110011100001…
…10011001100001000101
31010022012121100121010000
410213032012121201011
520143144020141420
6401342352151513
731621213625100
oct4471606314105
91108177317100
10316990396485
111124868a6694
1251527538599
1323b79b3ba59
14114b1841737
1583a40da690
hex49ce199845

316990396485 has 240 divisors, whose sum is σ = 679818530160. Its totient is φ = 140814858240.

The previous prime is 316990396451. The next prime is 316990396493. The reversal of 316990396485 is 584693099613.

316990396485 is a `hidden beast` number, since 3 + 1 + 69 + 9 + 0 + 3 + 96 + 485 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 26031563649 + 290958832836 = 161343^2 + 539406^2 .

It is not a de Polignac number, because 316990396485 - 211 = 316990394437 is a prime.

It is a super-2 number, since 2×3169903964852 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 257924851 + ... + 257926079.

It is an arithmetic number, because the mean of its divisors is an integer number (2832577209).

Almost surely, 2316990396485 is an apocalyptic number.

316990396485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

316990396485 is an abundant number, since it is smaller than the sum of its proper divisors (362828133675).

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

316990396485 is a wasteful number, since it uses less digits than its factorization.

316990396485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 63.

The spelling of 316990396485 in words is "three hundred sixteen billion, nine hundred ninety million, three hundred ninety-six thousand, four hundred eighty-five".