Base | Representation |
---|---|
bin | 10001111000000000… |
… | …010000011000010000 |
3 | 1211112121101200201110 |
4 | 101320000100120100 |
5 | 303301424432232 |
6 | 12452304533320 |
7 | 1246424345463 |
oct | 217000203020 |
9 | 54477350643 |
10 | 19193202192 |
11 | 815a07597a |
12 | 3877921240 |
13 | 1a6b4b4898 |
14 | d010ab2da |
15 | 774eeeacc |
hex | 478010610 |
19193202192 has 20 divisors (see below), whose sum is σ = 49582439120. Its totient is φ = 6397734048.
The previous prime is 19193202167. The next prime is 19193202239. The reversal of 19193202192 is 29120239191.
It is a self number, because there is not a number n which added to its sum of digits gives 19193202192.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199929142 + ... + 199929237.
It is an arithmetic number, because the mean of its divisors is an integer number (2479121956).
Almost surely, 219193202192 is an apocalyptic number.
19193202192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19193202192 is an abundant number, since it is smaller than the sum of its proper divisors (30389236928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19193202192 is a wasteful number, since it uses less digits than its factorization.
19193202192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 399858390 (or 399858384 counting only the distinct ones).
The product of its (nonzero) digits is 17496, while the sum is 39.
The spelling of 19193202192 in words is "nineteen billion, one hundred ninety-three million, two hundred two thousand, one hundred ninety-two".
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