Base | Representation |
---|---|
bin | 11100001110101011… |
… | …011100110101100110 |
3 | 2220020102120111100020 |
4 | 130032223130311212 |
5 | 444034111324111 |
6 | 21531422500010 |
7 | 2122064416011 |
oct | 341653346546 |
9 | 86212514306 |
10 | 30311042406 |
11 | 1194487a877 |
12 | 5a5b134606 |
13 | 2b2095b068 |
14 | 1677894378 |
15 | bc60b9906 |
hex | 70eadcd66 |
30311042406 has 32 divisors (see below), whose sum is σ = 62268248448. Its totient is φ = 9832954560.
The previous prime is 30311042389. The next prime is 30311042423. The reversal of 30311042406 is 60424011303.
It is an interprime number because it is at equal distance from previous prime (30311042389) and next prime (30311042423).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420855 + ... + 487586.
It is an arithmetic number, because the mean of its divisors is an integer number (1945882764).
Almost surely, 230311042406 is an apocalyptic number.
30311042406 is an abundant number, since it is smaller than the sum of its proper divisors (31957206042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30311042406 is a wasteful number, since it uses less digits than its factorization.
30311042406 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 908596.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 30311042406 its reverse (60424011303), we get a palindrome (90735053709).
The spelling of 30311042406 in words is "thirty billion, three hundred eleven million, forty-two thousand, four hundred six".
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