Base | Representation |
---|---|
bin | 100111000111101100… |
… | …011110010011111110 |
3 | 11000102101212121210010 |
4 | 213013230132103332 |
5 | 1142011241431032 |
6 | 31144041324050 |
7 | 3014631602505 |
oct | 470754362376 |
9 | 130371777703 |
10 | 42005030142 |
11 | 168a5820949 |
12 | 8183496626 |
13 | 3c6559b32a |
14 | 20669b583c |
15 | 115ca3eccc |
hex | 9c7b1e4fe |
42005030142 has 32 divisors (see below), whose sum is σ = 88991318304. Its totient is φ = 13172198400.
The previous prime is 42005030113. The next prime is 42005030161. The reversal of 42005030142 is 24103050024.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142392 + ... + 322932.
It is an arithmetic number, because the mean of its divisors is an integer number (2780978697).
Almost surely, 242005030142 is an apocalyptic number.
42005030142 is an abundant number, since it is smaller than the sum of its proper divisors (46986288162).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42005030142 is a wasteful number, since it uses less digits than its factorization.
42005030142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182844.
The product of its (nonzero) digits is 960, while the sum is 21.
Adding to 42005030142 its reverse (24103050024), we get a palindrome (66108080166).
The spelling of 42005030142 in words is "forty-two billion, five million, thirty thousand, one hundred forty-two".
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