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19796104916896 = 25711191434729473
BaseRepresentation
bin1001000000001001000111…
…10011010010111110100000
32121002111012120220002122011
410200010203303102332200
510043314410324320041
6110034112142522304
74112135635302310
oct440044363227640
977074176802564
1019796104916896
1163425321622a0
12227874b596394
13b079c3018979
144c61cab37440
15244e1e9b2e81
hex120123cd2fa0

19796104916896 has 192 divisors, whose sum is σ = 51153131473920. Its totient is φ = 7306075791360.

The previous prime is 19796104916867. The next prime is 19796104916941. The reversal of 19796104916896 is 69861940169791.

It is a Harshad number since it is a multiple of its sum of digits (76).

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, 671654416 + ... + 671683888.

It is an arithmetic number, because the mean of its divisors is an integer number (266422559760).

Almost surely, 219796104916896 is an apocalyptic number.

19796104916896 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 19796104916896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25576565736960).

19796104916896 is an abundant number, since it is smaller than the sum of its proper divisors (31357026557024).

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

19796104916896 is a wasteful number, since it uses less digits than its factorization.

19796104916896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43867 (or 43859 counting only the distinct ones).

The product of its (nonzero) digits is 317447424, while the sum is 76.

The spelling of 19796104916896 in words is "nineteen trillion, seven hundred ninety-six billion, one hundred four million, nine hundred sixteen thousand, eight hundred ninety-six".