Base | Representation |
---|---|
bin | 11100010100111000… |
… | …000101000001101000 |
3 | 2220111200012220100120 |
4 | 130110320011001220 |
5 | 444242221003130 |
6 | 21550015203240 |
7 | 2124466241103 |
oct | 342470050150 |
9 | 86450186316 |
10 | 30415016040 |
11 | 119985357a2 |
12 | 5a89b16520 |
13 | 2b39363416 |
14 | 16875db73a |
15 | bd02a6910 |
hex | 714e05068 |
30415016040 has 128 divisors (see below), whose sum is σ = 91680750720. Its totient is φ = 8072064000.
The previous prime is 30415016039. The next prime is 30415016059. The reversal of 30415016040 is 4061051403.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 30415016040.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43387690 + ... + 43388390.
It is an arithmetic number, because the mean of its divisors is an integer number (716255865).
Almost surely, 230415016040 is an apocalyptic number.
30415016040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30415016040 is an abundant number, since it is smaller than the sum of its proper divisors (61265734680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30415016040 is a wasteful number, since it uses less digits than its factorization.
30415016040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1923 (or 1919 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 30415016040 its reverse (4061051403), we get a palindrome (34476067443).
The spelling of 30415016040 in words is "thirty billion, four hundred fifteen million, sixteen thousand, forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •