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19798229560 = 2351987249097
BaseRepresentation
bin10010011100000100…
…010000001000111000
31220002202212021020111
4102130010100020320
5311021321321220
613032320434104
71300422113614
oct223404201070
956082767214
1019798229560
11843a64799a
123a06478934
131b36950845
14d5b5a2344
157ad1b215a
hex49c110238

19798229560 has 32 divisors (see below), whose sum is σ = 44568614160. Its totient is φ = 7915274496.

The previous prime is 19798229557. The next prime is 19798229599. The reversal of 19798229560 is 6592289791.

It is a junction number, because it is equal to n+sod(n) for n = 19798229495 and 19798229504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45069 + ... + 204028.

Almost surely, 219798229560 is an apocalyptic number.

19798229560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19798229560 is an abundant number, since it is smaller than the sum of its proper divisors (24770384600).

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

19798229560 is a wasteful number, since it uses less digits than its factorization.

19798229560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251095 (or 251091 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 19798229560 in words is "nineteen billion, seven hundred ninety-eight million, two hundred twenty-nine thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1987 3974 7948 9935 15896 19870 39740 79480 249097 498194 996388 1245485 1992776 2490970 4981940 9963880 494955739 989911478 1979822956 2474778695 3959645912 4949557390 9899114780 19798229560