| Base | Representation |
|---|---|
| bin | 1011111001100111010… |
| … | …0000010110100110100 |
| 3 | 201112201001111021220111 |
| 4 | 2332121310002310310 |
| 5 | 11322200132120040 |
| 6 | 233530440512404 |
| 7 | 20525212332412 |
| oct | 2763164026464 |
| 9 | 645631437814 |
| 10 | 204444020020 |
| 11 | 79782357219 |
| 12 | 33757a7b704 |
| 13 | 16381c25716 |
| 14 | 9c763b82b2 |
| 15 | 54b86a5dea |
| hex | 2f99d02d34 |
204444020020 has 72 divisors (see below), whose sum is σ = 460619137440. Its totient is φ = 76011361920.
The previous prime is 204444020009. The next prime is 204444020023. The reversal of 204444020020 is 20020444402.
204444020020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 204444019973 and 204444020000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (204444020023) 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 23 ways as a sum of consecutive naturals, for example, 971655 + ... + 1163185.
It is an arithmetic number, because the mean of its divisors is an integer number (6397488020).
Almost surely, 2204444020020 is an apocalyptic number.
204444020020 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 204444020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230309568720).
204444020020 is an abundant number, since it is smaller than the sum of its proper divisors (256175117420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204444020020 is a wasteful number, since it uses less digits than its factorization.
204444020020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 191665 (or 191610 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 22.
Adding to 204444020020 its reverse (20020444402), we get a palindrome (224464464422).
The spelling of 204444020020 in words is "two hundred four billion, four hundred forty-four million, twenty thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •