Base | Representation |
---|---|
bin | 10001111000001100… |
… | …010010000110011000 |
3 | 1211112211022212111221 |
4 | 101320030102012120 |
5 | 303303231324333 |
6 | 12452500301424 |
7 | 1246463216320 |
oct | 217014220630 |
9 | 54484285457 |
10 | 19196354968 |
11 | 816092967a |
12 | 38789a1874 |
13 | 1a6c04992b |
14 | d0168c280 |
15 | 775423d2d |
hex | 478312198 |
19196354968 has 64 divisors (see below), whose sum is σ = 43322400000. Its totient is φ = 7789986432.
The previous prime is 19196354963. The next prime is 19196354993. The reversal of 19196354968 is 86945369191.
It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19196354963) 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 15 ways as a sum of consecutive naturals, for example, 2921655 + ... + 2928217.
It is an arithmetic number, because the mean of its divisors is an integer number (676912500).
Almost surely, 219196354968 is an apocalyptic number.
It is an amenable number.
19196354968 is an abundant number, since it is smaller than the sum of its proper divisors (24126045032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19196354968 is a wasteful number, since it uses less digits than its factorization.
19196354968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9344 (or 9340 counting only the distinct ones).
The product of its digits is 12597120, while the sum is 61.
The spelling of 19196354968 in words is "nineteen billion, one hundred ninety-six million, three hundred fifty-four thousand, nine hundred sixty-eight".
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