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19392804189696 = 2937234311316139
BaseRepresentation
bin1000110100011001111010…
…01101000111011000000000
32112122221012212102102010210
410122030331031013120000
510020212430333032241
6105124533052354120
74041040523550030
oct432147515073000
975587185372123
1019392804189696
1161a7495439783
122212556a75940
13aa896c902312
144b088c4498c0
152396b8421316
hex11a33d347600

19392804189696 has 640 divisors, whose sum is σ = 63605974671360. Its totient is φ = 5130514464768.

The previous prime is 19392804189683. The next prime is 19392804189701. The reversal of 19392804189696 is 69698140829391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1201603195 + ... + 1201619333.

It is an arithmetic number, because the mean of its divisors is an integer number (99384335424).

Almost surely, 219392804189696 is an apocalyptic number.

19392804189696 is a gapful number since it is divisible by the number (16) 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 19392804189696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31802987335680).

19392804189696 is an abundant number, since it is smaller than the sum of its proper divisors (44213170481664).

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

19392804189696 is a wasteful number, since it uses less digits than its factorization.

19392804189696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16346 (or 16330 counting only the distinct ones).

The product of its (nonzero) digits is 362797056, while the sum is 75.

The spelling of 19392804189696 in words is "nineteen trillion, three hundred ninety-two billion, eight hundred four million, one hundred eighty-nine thousand, six hundred ninety-six".