Base | Representation |
---|---|
bin | 11100010110100111… |
… | …110101011101010100 |
3 | 2220120201100022102002 |
4 | 130112213311131110 |
5 | 444322220444104 |
6 | 21552543134432 |
7 | 2125303246202 |
oct | 342647653524 |
9 | 86521308362 |
10 | 30444312404 |
11 | 11a03025570 |
12 | 5a978a4418 |
13 | 2b4245004c |
14 | 168b466072 |
15 | bd2b4201e |
hex | 7169f5754 |
30444312404 has 24 divisors (see below), whose sum is σ = 60125133600. Its totient is φ = 13361139680.
The previous prime is 30444312403. The next prime is 30444312407. The reversal of 30444312404 is 40421344403.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30444312403) 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, 11928314 + ... + 11930865.
It is an arithmetic number, because the mean of its divisors is an integer number (2505213900).
Almost surely, 230444312404 is an apocalyptic number.
It is an amenable number.
30444312404 is a deficient number, since it is larger than the sum of its proper divisors (29680821196).
30444312404 is a wasteful number, since it uses less digits than its factorization.
30444312404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23859223 (or 23859221 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 29.
Adding to 30444312404 its reverse (40421344403), we get a palindrome (70865656807).
The spelling of 30444312404 in words is "thirty billion, four hundred forty-four million, three hundred twelve thousand, four hundred four".
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