Base | Representation |
---|---|
bin | 100111111101101100… |
… | …101011111001110000 |
3 | 11002202112201110212211 |
4 | 213331230223321300 |
5 | 1200340212233342 |
6 | 31414004501504 |
7 | 3046242644665 |
oct | 477554537160 |
9 | 132675643784 |
10 | 42911055472 |
11 | 1722019910a |
12 | 83969aa894 |
13 | 407b1c43ac |
14 | 211105da6c |
15 | 11b235bc17 |
hex | 9fdb2be70 |
42911055472 has 160 divisors (see below), whose sum is σ = 93111004800. Its totient is φ = 19083423744.
The previous prime is 42911055433. The next prime is 42911055487. The reversal of 42911055472 is 27455011924.
It is a super-2 number, since 2×429110554722 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43039678 + ... + 43040674.
It is an arithmetic number, because the mean of its divisors is an integer number (581943780).
Almost surely, 242911055472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42911055472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46555502400).
42911055472 is an abundant number, since it is smaller than the sum of its proper divisors (50199949328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42911055472 is a wasteful number, since it uses less digits than its factorization.
42911055472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1203 (or 1197 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 40.
The spelling of 42911055472 in words is "forty-two billion, nine hundred eleven million, fifty-five thousand, four hundred seventy-two".
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