Base | Representation |
---|---|
bin | 100111000111101100… |
… | …100011010010100010 |
3 | 11000102101220122202020 |
4 | 213013230203102202 |
5 | 1142011243104110 |
6 | 31144042002310 |
7 | 3014632016112 |
oct | 470754432242 |
9 | 130371818666 |
10 | 42005050530 |
11 | 168a58351a3 |
12 | 81834a6396 |
13 | 3c655a76b1 |
14 | 20669bd042 |
15 | 115ca45d70 |
hex | 9c7b234a2 |
42005050530 has 96 divisors (see below), whose sum is σ = 105641345664. Its totient is φ = 10686816000.
The previous prime is 42005050517. The next prime is 42005050547. The reversal of 42005050530 is 3505050024.
It is a self number, because there is not a number n which added to its sum of digits gives 42005050530.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2036670 + ... + 2057190.
It is an arithmetic number, because the mean of its divisors is an integer number (1100430684).
Almost surely, 242005050530 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42005050530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52820672832).
42005050530 is an abundant number, since it is smaller than the sum of its proper divisors (63636295134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42005050530 is a wasteful number, since it uses less digits than its factorization.
42005050530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20664 (or 20633 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 24.
The spelling of 42005050530 in words is "forty-two billion, five million, fifty thousand, five hundred thirty".
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