Base | Representation |
---|---|
bin | 100111011110011000… |
… | …110011101101100100 |
3 | 11001101221021020110100 |
4 | 213132120303231210 |
5 | 1143301223012014 |
6 | 31245521424100 |
7 | 3030233636511 |
oct | 473630635544 |
9 | 131357236410 |
10 | 42385750884 |
11 | 16a80718a94 |
12 | 826aa9b030 |
13 | 3cc641c589 |
14 | 20a139c308 |
15 | 1181196009 |
hex | 9de633b64 |
42385750884 has 27 divisors (see below), whose sum is σ = 107144881753. Its totient is φ = 14128171872.
The previous prime is 42385750831. The next prime is 42385750903. The reversal of 42385750884 is 48805758324.
The square root of 42385750884 is 205878.
It is a perfect power (a square), and thus also a powerful number.
42385750884 is a `hidden beast` number, since 4 + 2 + 3 + 8 + 57 + 508 + 84 = 666.
It can be written as a sum of positive squares in only one way, i.e., 12757702500 + 29628048384 = 112950^2 + 172128^2 .
It is a super-3 number, since 3×423857508843 (a number of 33 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 42385750884.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1218112 + ... + 1252424.
Almost surely, 242385750884 is an apocalyptic number.
42385750884 is the 205878-th square number.
It is an amenable number.
42385750884 is an abundant number, since it is smaller than the sum of its proper divisors (64759130869).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42385750884 is an frugal number, since it uses more digits than its factorization.
42385750884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68636 (or 34318 counting only the distinct ones).
The product of its (nonzero) digits is 8601600, while the sum is 54.
The spelling of 42385750884 in words is "forty-two billion, three hundred eighty-five million, seven hundred fifty thousand, eight hundred eighty-four".
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