Base | Representation |
---|---|
bin | 100111110001011100… |
… | …110000110110011011 |
3 | 11002020020000222000102 |
4 | 213301130300312123 |
5 | 1144430110223333 |
6 | 31341344130015 |
7 | 3041166140540 |
oct | 476134606633 |
9 | 132206028012 |
10 | 42705554843 |
11 | 17125199486 |
12 | 833a00690b |
13 | 40477624a3 |
14 | 20d1a48bc7 |
15 | 119e2b7ae8 |
hex | 9f1730d9b |
42705554843 has 32 divisors (see below), whose sum is σ = 49930947072. Its totient is φ = 35770176000.
The previous prime is 42705554821. The next prime is 42705554849. The reversal of 42705554843 is 34845550724.
It is a cyclic number.
It is not a de Polignac number, because 42705554843 - 26 = 42705554779 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42705554849) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75853280 + ... + 75853842.
It is an arithmetic number, because the mean of its divisors is an integer number (1560342096).
Almost surely, 242705554843 is an apocalyptic number.
42705554843 is a deficient number, since it is larger than the sum of its proper divisors (7225392229).
42705554843 is a wasteful number, since it uses less digits than its factorization.
42705554843 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1475.
The product of its (nonzero) digits is 2688000, while the sum is 47.
The spelling of 42705554843 in words is "forty-two billion, seven hundred five million, five hundred fifty-four thousand, eight hundred forty-three".
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