Base | Representation |
---|---|
bin | 100111111111100110… |
… | …001101101001111000 |
3 | 11002211202200000101121 |
4 | 213333212031221320 |
5 | 1200421341210034 |
6 | 31421103355024 |
7 | 3050110511335 |
oct | 477746155170 |
9 | 132752600347 |
10 | 42942913144 |
11 | 1723717826a |
12 | 83a55b2a74 |
13 | 4084999aa1 |
14 | 211539398c |
15 | 11b50511b4 |
hex | 9ff98da78 |
42942913144 has 16 divisors (see below), whose sum is σ = 80662527000. Its totient is φ = 21432905952.
The previous prime is 42942913129. The next prime is 42942913147. The reversal of 42942913144 is 44131924924.
It is a self number, because there is not a number n which added to its sum of digits gives 42942913144.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42942913147) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4814094 + ... + 4823005.
Almost surely, 242942913144 is an apocalyptic number.
It is an amenable number.
42942913144 is a deficient number, since it is larger than the sum of its proper divisors (37719613856).
42942913144 is a wasteful number, since it uses less digits than its factorization.
42942913144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9637662 (or 9637658 counting only the distinct ones).
The product of its digits is 248832, while the sum is 43.
The spelling of 42942913144 in words is "forty-two billion, nine hundred forty-two million, nine hundred thirteen thousand, one hundred forty-four".
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