Base | Representation |
---|---|
bin | 1011111011011000110… |
… | …1000100000000000000 |
3 | 201120221020202212202000 |
4 | 2332312031010000000 |
5 | 11324134101343410 |
6 | 234050014024000 |
7 | 20543055103662 |
oct | 2766615040000 |
9 | 646836685660 |
10 | 204920340480 |
11 | 799a720a899 |
12 | 3386b4a8000 |
13 | 1642980964b |
14 | 9cbd768532 |
15 | 54e53e2dc0 |
hex | 2fb6344000 |
204920340480 has 240 divisors, whose sum is σ = 728591283840. Its totient is φ = 54644834304.
The previous prime is 204920340479. The next prime is 204920340481. The reversal of 204920340480 is 84043029402.
204920340480 is a `hidden beast` number, since 2 + 0 + 49 + 203 + 404 + 8 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (204920340479) and next prime (204920340481).
It is a tau number, because it is divible by the number of its divisors (240).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (204920340481) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2165517 + ... + 2258163.
It is an arithmetic number, because the mean of its divisors is an integer number (3035797016).
Almost surely, 2204920340480 is an apocalyptic number.
204920340480 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 204920340480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364295641920).
204920340480 is an abundant number, since it is smaller than the sum of its proper divisors (523670943360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204920340480 is an frugal number, since it uses more digits than its factorization.
204920340480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92689 (or 92657 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 36.
Adding to 204920340480 its reverse (84043029402), we get a palindrome (288963369882).
The spelling of 204920340480 in words is "two hundred four billion, nine hundred twenty million, three hundred forty thousand, four hundred eighty".
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