Base | Representation |
---|---|
bin | 10010011111110010… |
… | …01000010011010010 |
3 | 221122001122001121100 |
4 | 21033321020103102 |
5 | 130314124421431 |
6 | 4321213005230 |
7 | 501040151430 |
oct | 111771102322 |
9 | 27561561540 |
10 | 9930310866 |
11 | 4236446593 |
12 | 1b11783816 |
13 | c2342a2b8 |
14 | 6a2bc1d50 |
15 | 3d1be44e6 |
hex | 24fe484d2 |
9930310866 has 96 divisors (see below), whose sum is σ = 25277091840. Its totient is φ = 2758486752.
The previous prime is 9930310799. The next prime is 9930310867. The reversal of 9930310866 is 6680130399.
It is a super-2 number, since 2×99303108662 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (9930310867) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1204105 + ... + 1212323.
It is an arithmetic number, because the mean of its divisors is an integer number (263303040).
Almost surely, 29930310866 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 9930310866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12638545920).
9930310866 is an abundant number, since it is smaller than the sum of its proper divisors (15346780974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9930310866 is a wasteful number, since it uses less digits than its factorization.
9930310866 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8500 (or 8497 counting only the distinct ones).
The product of its (nonzero) digits is 209952, while the sum is 45.
The square root of 9930310866 is about 99650.9451335009. The cubic root of 9930310866 is about 2149.4183294682.
The spelling of 9930310866 in words is "nine billion, nine hundred thirty million, three hundred ten thousand, eight hundred sixty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •