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19080568686080 = 2951131157113913
BaseRepresentation
bin1000101011010100010101…
…00001001100011000000000
32111120002021122020101211002
410111222022201030120000
510000104001040423310
6104325254154111132
74006345164553226
oct425521241143000
974502248211732
1019080568686080
116097029659520
122181b37a1b4a8
13a8539cc03855
1449d70c304b16
152314e19c2da5
hex115a8a84c600

19080568686080 has 320 divisors, whose sum is σ = 51554033473536. Its totient is φ = 6709813248000.

The previous prime is 19080568686073. The next prime is 19080568686103. The reversal of 19080568686080 is 8068686508091.

It is a tau number, because it is divible by the number of its divisors (320).

It is a junction number, because it is equal to n+sod(n) for n = 19080568685998 and 19080568686016.

It is a congruent number.

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, 1371413204 + ... + 1371427116.

Almost surely, 219080568686080 is an apocalyptic number.

19080568686080 is a gapful number since it is divisible by the number (10) 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 19080568686080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25777016736768).

19080568686080 is an abundant number, since it is smaller than the sum of its proper divisors (32473464787456).

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

19080568686080 is a wasteful number, since it uses less digits than its factorization.

19080568686080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15549 (or 15533 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 65.

The spelling of 19080568686080 in words is "nineteen trillion, eighty billion, five hundred sixty-eight million, six hundred eighty-six thousand, eighty".