Base | Representation |
---|---|
bin | 1011111011111011100110… |
… | …1100000101010101101000 |
3 | 1201110122221212210022210012 |
4 | 2332332321230011111220 |
5 | 3210011421022233230 |
6 | 43525105352111052 |
7 | 2523123625004636 |
oct | 276767154052550 |
9 | 51418855708705 |
10 | 13124240430440 |
11 | 41aaa60635a87 |
12 | 157b695695488 |
13 | 7427c2535c09 |
14 | 3353065ca356 |
15 | 17b5d1a56395 |
hex | befb9b05568 |
13124240430440 has 64 divisors (see below), whose sum is σ = 29887867598400. Its totient is φ = 5186004452352.
The previous prime is 13124240430397. The next prime is 13124240430467. The reversal of 13124240430440 is 4403404242131.
It is a junction number, because it is equal to n+sod(n) for n = 13124240430397 and 13124240430406.
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, 40218656 + ... + 40543664.
It is an arithmetic number, because the mean of its divisors is an integer number (466997931225).
Almost surely, 213124240430440 is an apocalyptic number.
13124240430440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13124240430440 is an abundant number, since it is smaller than the sum of its proper divisors (16763627167960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13124240430440 is a wasteful number, since it uses less digits than its factorization.
13124240430440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 337266 (or 337262 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 32.
Adding to 13124240430440 its reverse (4403404242131), we get a palindrome (17527644672571).
The spelling of 13124240430440 in words is "thirteen trillion, one hundred twenty-four billion, two hundred forty million, four hundred thirty thousand, four hundred forty".
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