Base | Representation |
---|---|
bin | 100111111000111110… |
… | …111000010000000000 |
3 | 11002120000211220212211 |
4 | 213320332320100000 |
5 | 1200204434013220 |
6 | 31402101031504 |
7 | 3044262320305 |
oct | 477076702000 |
9 | 132500756784 |
10 | 42831938560 |
11 | 1718a570434 |
12 | 83743b5594 |
13 | 40679b2c58 |
14 | 21047470ac |
15 | 11aa42eb5a |
hex | 9f8fb8400 |
42831938560 has 44 divisors (see below), whose sum is σ = 102746471148. Its totient is φ = 17132773376.
The previous prime is 42831938533. The next prime is 42831938563. The reversal of 42831938560 is 6583913824.
It can be written as a sum of positive squares in 2 ways, for example, as 29331357696 + 13500580864 = 171264^2 + 116192^2 .
It is a super-2 number, since 2×428319385602 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (42831938563) 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, 4177687 + ... + 4187926.
Almost surely, 242831938560 is an apocalyptic number.
42831938560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42831938560 is an abundant number, since it is smaller than the sum of its proper divisors (59914532588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42831938560 is an equidigital number, since it uses as much as digits as its factorization.
42831938560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8365638 (or 8365620 counting only the distinct ones).
The product of its (nonzero) digits is 1244160, while the sum is 49.
The spelling of 42831938560 in words is "forty-two billion, eight hundred thirty-one million, nine hundred thirty-eight thousand, five hundred sixty".
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