Base | Representation |
---|---|
bin | 1011110010000111110… |
… | …1100010010010000000 |
3 | 201100111220212012100101 |
4 | 2330201331202102000 |
5 | 11304040402222430 |
6 | 232555130532144 |
7 | 20424325111465 |
oct | 2744175422200 |
9 | 640456765311 |
10 | 202433242240 |
11 | 789403190a9 |
12 | 33296597054 |
13 | 16121476798 |
14 | 9b2531566c |
15 | 53ebdb4dca |
hex | 2f21f62480 |
202433242240 has 64 divisors (see below), whose sum is σ = 484009061760. Its totient is φ = 80962071552.
The previous prime is 202433242229. The next prime is 202433242247. The reversal of 202433242240 is 42242334202.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (64).
It is a junction number, because it is equal to n+sod(n) for n = 202433242199 and 202433242208.
It is not an unprimeable number, because it can be changed into a prime (202433242247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5808547 + ... + 5843293.
It is an arithmetic number, because the mean of its divisors is an integer number (7562641590).
Almost surely, 2202433242240 is an apocalyptic number.
202433242240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
202433242240 is an abundant number, since it is smaller than the sum of its proper divisors (281575819520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202433242240 is an equidigital number, since it uses as much as digits as its factorization.
202433242240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43869 (or 43857 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 28.
Adding to 202433242240 its reverse (42242334202), we get a palindrome (244675576442).
The spelling of 202433242240 in words is "two hundred two billion, four hundred thirty-three million, two hundred forty-two thousand, two hundred forty".
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