Base | Representation |
---|---|
bin | 1100000100010011011… |
… | …0111100101000110000 |
3 | 201211010001021101021010 |
4 | 3001010312330220300 |
5 | 11344034300410130 |
6 | 235123311430520 |
7 | 20656266150630 |
oct | 3010466745060 |
9 | 654101241233 |
10 | 207313685040 |
11 | 7aa15197000 |
12 | 34218b25440 |
13 | 1671b604b67 |
14 | a0695746c0 |
15 | 55d55a20b0 |
hex | 3044dbca30 |
207313685040 has 1280 divisors, whose sum is σ = 878343782400. Its totient is φ = 39498117120.
The previous prime is 207313685021. The next prime is 207313685057. The reversal of 207313685040 is 40586313702.
It is a self number, because there is not a number n which added to its sum of digits gives 207313685040.
It is an unprimeable number.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1491465291 + ... + 1491465429.
It is an arithmetic number, because the mean of its divisors is an integer number (686206080).
Almost surely, 2207313685040 is an apocalyptic number.
207313685040 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 207313685040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439171891200).
207313685040 is an abundant number, since it is smaller than the sum of its proper divisors (671030097360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207313685040 is a wasteful number, since it uses less digits than its factorization.
207313685040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247 (or 219 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 39.
Adding to 207313685040 its reverse (40586313702), we get a palindrome (247899998742).
The spelling of 207313685040 in words is "two hundred seven billion, three hundred thirteen million, six hundred eighty-five thousand, forty".
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