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19328197399 = 79728465681
BaseRepresentation
bin10010000000000011…
…001110001100010111
31211220000102011022221
4102000003032030113
5304041004304044
612513530203211
71252653652510
oct220003161427
954800364287
1019328197399
118219299865
1238b4b83507
131a9045bbc4
14d14daba07
15781cb8484
hex4800ce317

19328197399 has 8 divisors (see below), whose sum is σ = 22317094688. Its totient is φ = 16396231680.

The previous prime is 19328197397. The next prime is 19328197423. The reversal of 19328197399 is 99379182391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19328197399 - 21 = 19328197397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19328197397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14232162 + ... + 14233519.

It is an arithmetic number, because the mean of its divisors is an integer number (2789636836).

Almost surely, 219328197399 is an apocalyptic number.

19328197399 is a deficient number, since it is larger than the sum of its proper divisors (2988897289).

19328197399 is an equidigital number, since it uses as much as digits as its factorization.

19328197399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28465785.

The product of its digits is 6613488, while the sum is 61.

The spelling of 19328197399 in words is "nineteen billion, three hundred twenty-eight million, one hundred ninety-seven thousand, three hundred ninety-nine".

Divisors: 1 7 97 679 28465681 199259767 2761171057 19328197399