Base | Representation |
---|---|
bin | 11100001111110101… |
… | …101010011010011001 |
3 | 2220021210011212120100 |
4 | 130033311222122121 |
5 | 444104101343130 |
6 | 21533355450013 |
7 | 2122421652660 |
oct | 341765523231 |
9 | 86253155510 |
10 | 30330496665 |
11 | 11954858077 |
12 | 5a65756909 |
13 | 2b249acc61 |
14 | 167a2b9dd7 |
15 | bc7b5dc60 |
hex | 70fd6a699 |
30330496665 has 48 divisors (see below), whose sum is σ = 60171666048. Its totient is φ = 13844971008.
The previous prime is 30330496643. The next prime is 30330496673. The reversal of 30330496665 is 56669403303.
It is not a de Polignac number, because 30330496665 - 210 = 30330495641 is a prime.
It is a super-2 number, since 2×303304966652 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30330496665.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144657 + ... + 285633.
It is an arithmetic number, because the mean of its divisors is an integer number (1253576376).
Almost surely, 230330496665 is an apocalyptic number.
30330496665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30330496665 is a deficient number, since it is larger than the sum of its proper divisors (29841169383).
30330496665 is a wasteful number, since it uses less digits than its factorization.
30330496665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141678 (or 141675 counting only the distinct ones).
The product of its (nonzero) digits is 1049760, while the sum is 45.
Adding to 30330496665 its reverse (56669403303), we get a palindrome (86999899968).
The spelling of 30330496665 in words is "thirty billion, three hundred thirty million, four hundred ninety-six thousand, six hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •