| Base | Representation |
|---|---|
| bin | 1011101001100000100… |
| … | …1111010001111110000 |
| 3 | 201010112210101211020021 |
| 4 | 2322120021322033300 |
| 5 | 11234322013332240 |
| 6 | 231533500253224 |
| 7 | 20313122251114 |
| oct | 2723011721760 |
| 9 | 633483354207 |
| 10 | 200121230320 |
| 11 | 77964243350 |
| 12 | 32950241214 |
| 13 | 15b434870ab |
| 14 | 998623b744 |
| 15 | 5313e1e54a |
| hex | 2e9827a3f0 |
200121230320 has 160 divisors (see below), whose sum is σ = 530288648640. Its totient is φ = 69565440000.
The previous prime is 200121230273. The next prime is 200121230333. The reversal of 200121230320 is 23032121002.
200121230320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 200121230294 and 200121230303.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 2538700 + ... + 2616340.
It is an arithmetic number, because the mean of its divisors is an integer number (3314304054).
Almost surely, 2200121230320 is an apocalyptic number.
200121230320 is a gapful number since it is divisible by the number (20) 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 200121230320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265144324320).
200121230320 is an abundant number, since it is smaller than the sum of its proper divisors (330167418320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200121230320 is a wasteful number, since it uses less digits than its factorization.
200121230320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77795 (or 77789 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 200121230320 its reverse (23032121002), we get a palindrome (223153351322).
The spelling of 200121230320 in words is "two hundred billion, one hundred twenty-one million, two hundred thirty thousand, three hundred twenty".
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