Base | Representation |
---|---|
bin | 100111001000101010… |
… | …101100000010010010 |
3 | 11000110112120012201100 |
4 | 213020222230002102 |
5 | 1142024430324112 |
6 | 31145423045230 |
7 | 3015220330146 |
oct | 471052540222 |
9 | 130415505640 |
10 | 42021339282 |
11 | 16903a5017a |
12 | 8188a40816 |
13 | 3c68a8b800 |
14 | 2068c1d226 |
15 | 115e1b22dc |
hex | 9c8aac092 |
42021339282 has 36 divisors (see below), whose sum is σ = 98588533914. Its totient is φ = 12929641920.
The previous prime is 42021339281. The next prime is 42021339287. The reversal of 42021339282 is 28293312024.
42021339282 is a `hidden beast` number, since 4 + 20 + 21 + 339 + 282 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 27450193761 + 14571145521 = 165681^2 + 120711^2 .
It is not an unprimeable number, because it can be changed into a prime (42021339281) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6903819 + ... + 6909902.
Almost surely, 242021339282 is an apocalyptic number.
42021339282 is an abundant number, since it is smaller than the sum of its proper divisors (56567194632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42021339282 is a wasteful number, since it uses less digits than its factorization.
42021339282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13813755 (or 13813739 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The spelling of 42021339282 in words is "forty-two billion, twenty-one million, three hundred thirty-nine thousand, two hundred eighty-two".
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