Base | Representation |
---|---|
bin | 1011100011101100101… |
… | …0110000001001101110 |
3 | 200222112001212112211112 |
4 | 2320323022300021232 |
5 | 11223123124420110 |
6 | 231115010552022 |
7 | 20226350045306 |
oct | 2707312601156 |
9 | 628461775745 |
10 | 198561170030 |
11 | 77233670a23 |
12 | 32595898612 |
13 | 159551c65b2 |
14 | 9878d82606 |
15 | 5271eae405 |
hex | 2e3b2b026e |
198561170030 has 16 divisors (see below), whose sum is σ = 357443233344. Its totient is φ = 79417106400.
The previous prime is 198561170029. The next prime is 198561170039. The reversal of 198561170030 is 30071165891.
198561170030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 198561170030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (198561170039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806246 + ... + 1023305.
It is an arithmetic number, because the mean of its divisors is an integer number (22340202084).
Almost surely, 2198561170030 is an apocalyptic number.
198561170030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
198561170030 is a deficient number, since it is larger than the sum of its proper divisors (158882063314).
198561170030 is a wasteful number, since it uses less digits than its factorization.
198561170030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1840411.
The product of its (nonzero) digits is 45360, while the sum is 41.
The spelling of 198561170030 in words is "one hundred ninety-eight billion, five hundred sixty-one million, one hundred seventy thousand, thirty".
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