Base | Representation |
---|---|
bin | 1001000010001110001… |
… | …01011001010110101101 |
3 | 1002200021102021020020120 |
4 | 10201013011121112231 |
5 | 20041230120222341 |
6 | 354335405235153 |
7 | 31266515343651 |
oct | 4410705312655 |
9 | 1080242236216 |
10 | 310430242221 |
11 | 10a71a8626a0 |
12 | 501b6562ab9 |
13 | 233729b8978 |
14 | 1104c49ca61 |
15 | 811d206066 |
hex | 48471595ad |
310430242221 has 16 divisors (see below), whose sum is σ = 452278806528. Its totient is φ = 187829578800.
The previous prime is 310430242147. The next prime is 310430242229. The reversal of 310430242221 is 122242034013.
It is a happy number.
It is not a de Polignac number, because 310430242221 - 222 = 310426047917 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 310430242191 and 310430242200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (310430242229) 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, 7728715 + ... + 7768776.
It is an arithmetic number, because the mean of its divisors is an integer number (28267425408).
Almost surely, 2310430242221 is an apocalyptic number.
It is an amenable number.
310430242221 is a deficient number, since it is larger than the sum of its proper divisors (141848564307).
310430242221 is a wasteful number, since it uses less digits than its factorization.
310430242221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15498112.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 310430242221 its reverse (122242034013), we get a palindrome (432672276234).
The spelling of 310430242221 in words is "three hundred ten billion, four hundred thirty million, two hundred forty-two thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •