Base | Representation |
---|---|
bin | 1101110001111011110010… |
… | …10110110101100100110110 |
3 | 10222021221102021200010111210 |
4 | 12320331321112311210312 |
5 | 12432441101224144110 |
6 | 144241004150142250 |
7 | 6245215224434352 |
oct | 670757126654466 |
9 | 128257367603453 |
10 | 30303030303030 |
11 | 9723496675921 |
12 | 3494b1b651986 |
13 | 13ba743002274 |
14 | 76a962b42462 |
15 | 3783b8515520 |
hex | 1b8f795b5936 |
30303030303030 has 64 divisors (see below), whose sum is σ = 73047360384000. Its totient is φ = 8045257409280.
The previous prime is 30303030303011. The next prime is 30303030303031. The reversal of 30303030303030 is 3030303030303.
It is an alternating number because its digits alternate between odd and even.
30303030303030 is an undulating number in base 10.
30303030303030 is a modest number, since divided by 30303030 gives 303030 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 30303030302988 and 30303030303006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30303030303031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32878785 + ... + 33787875.
It is an arithmetic number, because the mean of its divisors is an integer number (1141365006000).
Almost surely, 230303030303030 is an apocalyptic number.
30303030303030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30303030303030 is an abundant number, since it is smaller than the sum of its proper divisors (42744330080970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30303030303030 is a wasteful number, since it uses less digits than its factorization.
30303030303030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 913989.
The product of its (nonzero) digits is 2187, while the sum is 21.
Adding to 30303030303030 its reverse (3030303030303), we get a palindrome (33333333333333).
The spelling of 30303030303030 in words is "thirty trillion, three hundred three billion, thirty million, three hundred three thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •