Base | Representation |
---|---|
bin | 100111110110010111… |
… | …010111111010010010 |
3 | 11002102222020000222122 |
4 | 213312113113322102 |
5 | 1200112213344200 |
6 | 31353451534242 |
7 | 3043220144315 |
oct | 476627277222 |
9 | 132388200878 |
10 | 42788028050 |
11 | 171677a9859 |
12 | 836175a382 |
13 | 405b87a4c1 |
14 | 20dc99697c |
15 | 11a6659385 |
hex | 9f65d7e92 |
42788028050 has 12 divisors (see below), whose sum is σ = 79585732266. Its totient is φ = 17115211200.
The previous prime is 42788028043. The next prime is 42788028053. The reversal of 42788028050 is 5082088724.
It can be written as a sum of positive squares in 3 ways, for example, as 40685713849 + 2102314201 = 201707^2 + 45851^2 .
It is a junction number, because it is equal to n+sod(n) for n = 42788027992 and 42788028010.
It is not an unprimeable number, because it can be changed into a prime (42788028053) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 427880231 + ... + 427880330.
Almost surely, 242788028050 is an apocalyptic number.
42788028050 is a deficient number, since it is larger than the sum of its proper divisors (36797704216).
42788028050 is a wasteful number, since it uses less digits than its factorization.
42788028050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 855760573 (or 855760568 counting only the distinct ones).
The product of its (nonzero) digits is 286720, while the sum is 44.
The spelling of 42788028050 in words is "forty-two billion, seven hundred eighty-eight million, twenty-eight thousand, fifty".
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