Base | Representation |
---|---|
bin | 11100010110011111… |
… | …111011100110011100 |
3 | 2220120120110001011122 |
4 | 130112133323212130 |
5 | 444321203143122 |
6 | 21552430510112 |
7 | 2125246526333 |
oct | 342637734634 |
9 | 86516401148 |
10 | 30442240412 |
11 | 11a0193a881 |
12 | 5a97065338 |
13 | 2b41ba5c0c |
14 | 168b086d1a |
15 | bd2883142 |
hex | 7167fb99c |
30442240412 has 24 divisors (see below), whose sum is σ = 55118946960. Its totient is φ = 14694122240.
The previous prime is 30442240369. The next prime is 30442240417. The reversal of 30442240412 is 21404224403.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30442240417) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034243 + ... + 1063269.
It is an arithmetic number, because the mean of its divisors is an integer number (2296622790).
Almost surely, 230442240412 is an apocalyptic number.
It is an amenable number.
30442240412 is a deficient number, since it is larger than the sum of its proper divisors (24676706548).
30442240412 is a wasteful number, since it uses less digits than its factorization.
30442240412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38101 (or 38099 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 26.
Adding to 30442240412 its reverse (21404224403), we get a palindrome (51846464815).
The spelling of 30442240412 in words is "thirty billion, four hundred forty-two million, two hundred forty thousand, four hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •