Base | Representation |
---|---|
bin | 100111011000000011… |
… | …001010000101010010 |
3 | 11001010112011200000000 |
4 | 213120003022011102 |
5 | 1143042012141200 |
6 | 31231202310430 |
7 | 3024503033661 |
oct | 473003120522 |
9 | 131115150000 |
10 | 42279412050 |
11 | 16a26698057 |
12 | 823b358416 |
13 | 3caa3997a5 |
14 | 20911dadd8 |
15 | 1176b8d300 |
hex | 9d80ca152 |
42279412050 has 162 divisors, whose sum is σ = 118283043333. Its totient is φ = 11243104560.
The previous prime is 42279412037. The next prime is 42279412099. The reversal of 42279412050 is 5021497224.
It can be written as a sum of positive squares in 2 ways, for example, as 41433823809 + 845588241 = 203553^2 + 29079^2 .
It is a tau number, because it is divible by the number of its divisors (162).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=145395.
It is a junction number, because it is equal to n+sod(n) for n = 42279411996 and 42279412014.
It is an unprimeable number.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 117769771 + ... + 117770129.
Almost surely, 242279412050 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42279412050
42279412050 is an abundant number, since it is smaller than the sum of its proper divisors (76003631283).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42279412050 is an frugal number, since it uses more digits than its factorization.
42279412050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 754 (or 369 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The spelling of 42279412050 in words is "forty-two billion, two hundred seventy-nine million, four hundred twelve thousand, fifty".
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