Base | Representation |
---|---|
bin | 100111110010100011… |
… | …001111101100011100 |
3 | 11002021111210122220011 |
4 | 213302203033230130 |
5 | 1144444323000020 |
6 | 31343244133004 |
7 | 3041512162621 |
oct | 476243175434 |
9 | 132244718804 |
10 | 42724031260 |
11 | 17134669049 |
12 | 8344237164 |
13 | 404b531291 |
14 | 20d4298348 |
15 | 11a0c1735a |
hex | 9f28cfb1c |
42724031260 has 48 divisors (see below), whose sum is σ = 90919797696. Its totient is φ = 16862372352.
The previous prime is 42724031221. The next prime is 42724031261. The reversal of 42724031260 is 6213042724.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42724031261) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533184 + ... + 608056.
It is an arithmetic number, because the mean of its divisors is an integer number (1894162452).
Almost surely, 242724031260 is an apocalyptic number.
It is an amenable number.
42724031260 is an abundant number, since it is smaller than the sum of its proper divisors (48195766436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42724031260 is a wasteful number, since it uses less digits than its factorization.
42724031260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75262 (or 75260 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 31.
Adding to 42724031260 its reverse (6213042724), we get a palindrome (48937073984).
The spelling of 42724031260 in words is "forty-two billion, seven hundred twenty-four million, thirty-one thousand, two hundred sixty".
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