Base | Representation |
---|---|
bin | 100111001100110011… |
… | …011101010010101110 |
3 | 11000122101011111021120 |
4 | 213030303131102232 |
5 | 1142200212401204 |
6 | 31200342441410 |
7 | 3020022306156 |
oct | 471463352256 |
9 | 130571144246 |
10 | 42090747054 |
11 | 1693a147274 |
12 | 81a8133266 |
13 | 3c7a2808b5 |
14 | 2074129766 |
15 | 11653226d9 |
hex | 9cccdd4ae |
42090747054 has 16 divisors (see below), whose sum is σ = 86897026560. Its totient is φ = 13577660280.
The previous prime is 42090747047. The next prime is 42090747077. The reversal of 42090747054 is 45074709024.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 42090746997 and 42090747015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113146984 + ... + 113147355.
It is an arithmetic number, because the mean of its divisors is an integer number (5431064160).
Almost surely, 242090747054 is an apocalyptic number.
42090747054 is an abundant number, since it is smaller than the sum of its proper divisors (44806279506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42090747054 is a wasteful number, since it uses less digits than its factorization.
42090747054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 226294375.
The product of its (nonzero) digits is 282240, while the sum is 42.
The spelling of 42090747054 in words is "forty-two billion, ninety million, seven hundred forty-seven thousand, fifty-four".
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