Base | Representation |
---|---|
bin | 11100010000011010… |
… | …011101010001000001 |
3 | 2220022110022220200100 |
4 | 130100122131101001 |
5 | 444114034022040 |
6 | 21534342313013 |
7 | 2122566644625 |
oct | 342032352101 |
9 | 86273286610 |
10 | 30340142145 |
11 | 1195a245945 |
12 | 5a68a28769 |
13 | 2b269a9341 |
14 | 167b6ab185 |
15 | bc8916b30 |
hex | 71069d441 |
30340142145 has 24 divisors (see below), whose sum is σ = 54876085056. Its totient is φ = 15477869088.
The previous prime is 30340142111. The next prime is 30340142159. The reversal of 30340142145 is 54124104303.
It is a happy number.
It is not a de Polignac number, because 30340142145 - 28 = 30340141889 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14656039 + ... + 14658108.
It is an arithmetic number, because the mean of its divisors is an integer number (2286503544).
Almost surely, 230340142145 is an apocalyptic number.
It is an amenable number.
30340142145 is a deficient number, since it is larger than the sum of its proper divisors (24535942911).
30340142145 is a wasteful number, since it uses less digits than its factorization.
30340142145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29314181 (or 29314178 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 30340142145 its reverse (54124104303), we get a palindrome (84464246448).
The spelling of 30340142145 in words is "thirty billion, three hundred forty million, one hundred forty-two thousand, one hundred forty-five".
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