Base | Representation |
---|---|
bin | 1001000101110010010101… |
… | …11001010011001000000000 |
3 | 2121210000202212022000121000 |
4 | 10202321022321103020000 |
5 | 10110004042242030422 |
6 | 110303143415132000 |
7 | 4132142454151500 |
oct | 442711271231000 |
9 | 77700685260530 |
10 | 19990034330112 |
11 | 64077a9270820 |
12 | 22aa252074000 |
13 | b2008a756452 |
14 | 4d17468b3a00 |
15 | 249ec0009cac |
hex | 122e4ae53200 |
19990034330112 has 1920 divisors, whose sum is σ = 76748844902400. Its totient is φ = 5079158784000.
The previous prime is 19990034330111. The next prime is 19990034330129. The reversal of 19990034330112 is 21103343009991.
It is a happy number.
19990034330112 is a `hidden beast` number, since 1 + 99 + 90 + 0 + 34 + 330 + 112 = 666.
It is not an unprimeable number, because it can be changed into a prime (19990034330111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 122638247343 + ... + 122638247505.
It is an arithmetic number, because the mean of its divisors is an integer number (39973356720).
Almost surely, 219990034330112 is an apocalyptic number.
19990034330112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19990034330112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38374422451200).
19990034330112 is an abundant number, since it is smaller than the sum of its proper divisors (56758810572288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19990034330112 is a wasteful number, since it uses less digits than its factorization.
19990034330112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 475 (or 446 counting only the distinct ones).
The product of its (nonzero) digits is 157464, while the sum is 45.
The spelling of 19990034330112 in words is "nineteen trillion, nine hundred ninety billion, thirty-four million, three hundred thirty thousand, one hundred twelve".
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