Base | Representation |
---|---|
bin | 100111001010011101… |
… | …110111000010100100 |
3 | 11000112122101002212000 |
4 | 213022131313002210 |
5 | 1142110142442131 |
6 | 31152422125300 |
7 | 3016035054333 |
oct | 471235670244 |
9 | 130478332760 |
10 | 42051530916 |
11 | 16919aa163a |
12 | 8196b80830 |
13 | 3c720cca95 |
14 | 206cc3bd1a |
15 | 1161b77ce6 |
hex | 9ca7770a4 |
42051530916 has 24 divisors (see below), whose sum is σ = 109022487840. Its totient is φ = 14017176936.
The previous prime is 42051530779. The next prime is 42051530921. The reversal of 42051530916 is 61903515024.
42051530916 is a `hidden beast` number, since 4 + 20 + 515 + 30 + 91 + 6 = 666.
42051530916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 194682906 + ... + 194683121.
It is an arithmetic number, because the mean of its divisors is an integer number (4542603660).
Almost surely, 242051530916 is an apocalyptic number.
It is an amenable number.
42051530916 is an abundant number, since it is smaller than the sum of its proper divisors (66970956924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42051530916 is a wasteful number, since it uses less digits than its factorization.
42051530916 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 389366040 (or 389366032 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 36.
It can be divided in two parts, 4205 and 1530916, that added together give a square (1535121 = 12392).
The spelling of 42051530916 in words is "forty-two billion, fifty-one million, five hundred thirty thousand, nine hundred sixteen".
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