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19580668168 = 2343187930293
BaseRepresentation
bin10010001111000110…
…010100100100001000
31212112121111000010011
4102033012110210020
5310100122340133
612554545401304
71262140635055
oct221706244410
955477430104
1019580668168
11833885a896
123965639234
131b008580a9
14d3a72c02c
157990396cd
hex48f194908

19580668168 has 32 divisors (see below), whose sum is σ = 37588795200. Its totient is φ = 9557247168.

The previous prime is 19580668097. The next prime is 19580668171. The reversal of 19580668168 is 86186608591.

It is an unprimeable number.

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, 631230 + ... + 661522.

It is an arithmetic number, because the mean of its divisors is an integer number (1174649850).

Almost surely, 219580668168 is an apocalyptic number.

It is an amenable number.

19580668168 is a deficient number, since it is larger than the sum of its proper divisors (18008127032).

19580668168 is a wasteful number, since it uses less digits than its factorization.

19580668168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32221 (or 32217 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 58.

The spelling of 19580668168 in words is "nineteen billion, five hundred eighty million, six hundred sixty-eight thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 43 86 172 344 1879 3758 7516 15032 30293 60586 80797 121172 161594 242344 323188 646376 1302599 2605198 5210396 10420792 56920547 113841094 227682188 455364376 2447583521 4895167042 9790334084 19580668168