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319169686680 = 2332513531916737
BaseRepresentation
bin1001010010011111111…
…11101110110010011000
31010111211111002000020200
410221033333232302120
520212124414433210
6402342522022200
732026215400605
oct4511777566230
91114744060220
10319169686680
111133a4a70669
1251a35347960
132413649bb90
141163b04b6ac
1584805b60c0
hex4a4ffeec98

319169686680 has 384 divisors, whose sum is σ = 1144299985920. Its totient is φ = 76667535360.

The previous prime is 319169686673. The next prime is 319169686691. The reversal of 319169686680 is 86686961913.

319169686680 is a `hidden beast` number, since 319 + 169 + 6 + 86 + 6 + 80 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 47372272 + ... + 47379008.

It is an arithmetic number, because the mean of its divisors is an integer number (2979947880).

Almost surely, 2319169686680 is an apocalyptic number.

319169686680 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 319169686680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572149992960).

319169686680 is an abundant number, since it is smaller than the sum of its proper divisors (825130299240).

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

319169686680 is a wasteful number, since it uses less digits than its factorization.

319169686680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7011 (or 7004 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 319169686680 in words is "three hundred nineteen billion, one hundred sixty-nine million, six hundred eighty-six thousand, six hundred eighty".