Base | Representation |
---|---|
bin | 100111100000001000… |
… | …111000111101111110 |
3 | 11001110222112222111220 |
4 | 213200020320331332 |
5 | 1143331233220132 |
6 | 31252451254210 |
7 | 3031041451356 |
oct | 474010707576 |
9 | 131428488456 |
10 | 42415132542 |
11 | 16a96266952 |
12 | 82788aa366 |
13 | 3ccc538c83 |
14 | 20a5249b66 |
15 | 1183a4ba2c |
hex | 9e0238f7e |
42415132542 has 32 divisors (see below), whose sum is σ = 87716127744. Its totient is φ = 13658956800.
The previous prime is 42415132499. The next prime is 42415132561. The reversal of 42415132542 is 24523151424.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85059 + ... + 303422.
It is an arithmetic number, because the mean of its divisors is an integer number (2741128992).
Almost surely, 242415132542 is an apocalyptic number.
42415132542 is an abundant number, since it is smaller than the sum of its proper divisors (45300995202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42415132542 is a wasteful number, since it uses less digits than its factorization.
42415132542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 389104.
The product of its digits is 38400, while the sum is 33.
Adding to 42415132542 its reverse (24523151424), we get a palindrome (66938283966).
The spelling of 42415132542 in words is "forty-two billion, four hundred fifteen million, one hundred thirty-two thousand, five hundred forty-two".
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