Base | Representation |
---|---|
bin | 10010000001010011… |
… | …011001100010000000 |
3 | 1211221110221222112221 |
4 | 102001103121202000 |
5 | 304111344342420 |
6 | 12520000500424 |
7 | 1253330421406 |
oct | 220123314200 |
9 | 54843858487 |
10 | 19349215360 |
11 | 822a144982 |
12 | 390001a714 |
13 | 1a9490a777 |
14 | d17abd476 |
15 | 783a6acaa |
hex | 4814d9880 |
19349215360 has 64 divisors (see below), whose sum is σ = 46908331200. Its totient is φ = 7630658560.
The previous prime is 19349215357. The next prime is 19349215381. The reversal of 19349215360 is 6351294391.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (64).
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, 167470 + ... + 258349.
It is an arithmetic number, because the mean of its divisors is an integer number (732942675).
Almost surely, 219349215360 is an apocalyptic number.
19349215360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19349215360 is an abundant number, since it is smaller than the sum of its proper divisors (27559115840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19349215360 is an equidigital number, since it uses as much as digits as its factorization.
19349215360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 425909 (or 425897 counting only the distinct ones).
The product of its (nonzero) digits is 174960, while the sum is 43.
The spelling of 19349215360 in words is "nineteen billion, three hundred forty-nine million, two hundred fifteen thousand, three hundred sixty".
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