Base | Representation |
---|---|
bin | 1100001011010110110… |
… | …1100111010111111100 |
3 | 202000000000000000000000 |
4 | 3002311231213113330 |
5 | 11411424002022220 |
6 | 240035225234300 |
7 | 21054226463241 |
oct | 3026555472774 |
9 | 660000000000 |
10 | 209207064060 |
11 | 807a6a2a755 |
12 | 34667032990 |
13 | 1696095ab87 |
14 | a1a8bd75c8 |
15 | 5696903390 |
hex | 30b5b675fc |
209207064060 has 132 divisors (see below), whose sum is σ = 659002251768. Its totient is φ = 55788550416.
The previous prime is 209207064047. The next prime is 209207064091. The reversal of 209207064060 is 60460702902.
It is a happy number.
209207064060 is a `hidden beast` number, since 2 + 0 + 9 + 2 + 0 + 7 + 0 + 640 + 6 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nialpdrome in base 9.
It is a zygodrome in base 9.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 41841412810 + ... + 41841412814.
Almost surely, 2209207064060 is an apocalyptic number.
209207064060 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 209207064060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329501125884).
209207064060 is an abundant number, since it is smaller than the sum of its proper divisors (449795187708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
209207064060 is an frugal number, since it uses more digits than its factorization.
209207064060 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72 (or 10 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
Adding to 209207064060 its reverse (60460702902), we get a palindrome (269667766962).
The spelling of 209207064060 in words is "two hundred nine billion, two hundred seven million, sixty-four thousand, sixty".
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