Base | Representation |
---|---|
bin | 10010000011010100111… |
… | …001111001111001111000 |
3 | 11101121000010222221110121 |
4 | 102003110321321321320 |
5 | 130311042231433144 |
6 | 2345515503023024 |
7 | 155424206346112 |
oct | 22032471717170 |
9 | 4347003887417 |
10 | 1240522530424 |
11 | 43911469aa61 |
12 | 18050859aa74 |
13 | 8cc999b0468 |
14 | 440822743b2 |
15 | 224074db384 |
hex | 120d4e79e78 |
1240522530424 has 64 divisors (see below), whose sum is σ = 2500918156800. Its totient is φ = 575015768064.
The previous prime is 1240522530371. The next prime is 1240522530427. The reversal of 1240522530424 is 4240352250421.
It is a super-2 number, since 2×12405225304242 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1240522530424.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1240522530427) 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, 58020024 + ... + 58041400.
It is an arithmetic number, because the mean of its divisors is an integer number (39076846200).
Almost surely, 21240522530424 is an apocalyptic number.
It is an amenable number.
1240522530424 is an abundant number, since it is smaller than the sum of its proper divisors (1260395626376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1240522530424 is a wasteful number, since it uses less digits than its factorization.
1240522530424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29572 (or 29568 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 34.
Adding to 1240522530424 its reverse (4240352250421), we get a palindrome (5480874780845).
The spelling of 1240522530424 in words is "one trillion, two hundred forty billion, five hundred twenty-two million, five hundred thirty thousand, four hundred twenty-four".
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