Base | Representation |
---|---|
bin | 100111011110011101… |
… | …001111011000111110 |
3 | 11001102000110021100101 |
4 | 213132131033120332 |
5 | 1143302022202310 |
6 | 31250002351314 |
7 | 3030246546223 |
oct | 473635173076 |
9 | 131360407311 |
10 | 42386912830 |
11 | 16a81341a79 |
12 | 826b35b53a |
13 | 3cc6738412 |
14 | 20a15c194a |
15 | 118132543a |
hex | 9de74f63e |
42386912830 has 64 divisors (see below), whose sum is σ = 78352881408. Its totient is φ = 16505026560.
The previous prime is 42386912779. The next prime is 42386912849. The reversal of 42386912830 is 3821968324.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21076525 + ... + 21078535.
It is an arithmetic number, because the mean of its divisors is an integer number (1224263772).
Almost surely, 242386912830 is an apocalyptic number.
42386912830 is a deficient number, since it is larger than the sum of its proper divisors (35965968578).
42386912830 is a wasteful number, since it uses less digits than its factorization.
42386912830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2441.
The product of its (nonzero) digits is 497664, while the sum is 46.
The spelling of 42386912830 in words is "forty-two billion, three hundred eighty-six million, nine hundred twelve thousand, eight hundred thirty".
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