Base | Representation |
---|---|
bin | 1011110001010111110… |
… | …1111110010000000101 |
3 | 201022222220020120100002 |
4 | 2330111331332100011 |
5 | 11303132344431323 |
6 | 232523142131045 |
7 | 20416332615503 |
oct | 2742575762005 |
9 | 638886216302 |
10 | 202232030213 |
11 | 78847788574 |
12 | 3323b120a85 |
13 | 160bb886905 |
14 | 9b066d9673 |
15 | 53d93bb828 |
hex | 2f15f7e405 |
202232030213 has 6 divisors (see below), whose sum is σ = 203263838706. Its totient is φ = 201205433072.
The previous prime is 202232030201. The next prime is 202232030233. The reversal of 202232030213 is 312030232202.
It can be written as a sum of positive squares in 3 ways, for example, as 134224778689 + 68007251524 = 366367^2 + 260782^2 .
It is a de Polignac number, because none of the positive numbers 2k-202232030213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202232030233) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2566670 + ... + 2644287.
It is an arithmetic number, because the mean of its divisors is an integer number (33877306451).
Almost surely, 2202232030213 is an apocalyptic number.
It is an amenable number.
202232030213 is a deficient number, since it is larger than the sum of its proper divisors (1031808493).
202232030213 is an frugal number, since it uses more digits than its factorization.
202232030213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5211351 (or 5211154 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 202232030213 its reverse (312030232202), we get a palindrome (514262262415).
The spelling of 202232030213 in words is "two hundred two billion, two hundred thirty-two million, thirty thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •