Base | Representation |
---|---|
bin | 1011100001010110111011… |
… | …0000110000100100000010 |
3 | 1122212000120222002121202121 |
4 | 2320111232300300210002 |
5 | 3130021441002101430 |
6 | 42535245131034454 |
7 | 2445132555310150 |
oct | 270255660604402 |
9 | 48760528077677 |
10 | 12667716831490 |
11 | 40443919a5146 |
12 | 150710889ba2a |
13 | 70b739763746 |
14 | 31b19954c3d0 |
15 | 16e7b2c04a7a |
hex | b856ec30902 |
12667716831490 has 64 divisors (see below), whose sum is σ = 26690893574400. Its totient is φ = 4239141578496.
The previous prime is 12667716831463. The next prime is 12667716831509. The reversal of 12667716831490 is 9413861776621.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11878725 + ... + 12901144.
It is an arithmetic number, because the mean of its divisors is an integer number (417045212100).
Almost surely, 212667716831490 is an apocalyptic number.
12667716831490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12667716831490 is an abundant number, since it is smaller than the sum of its proper divisors (14023176742910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12667716831490 is a wasteful number, since it uses less digits than its factorization.
12667716831490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24780059.
The product of its (nonzero) digits is 18289152, while the sum is 61.
The spelling of 12667716831490 in words is "twelve trillion, six hundred sixty-seven billion, seven hundred sixteen million, eight hundred thirty-one thousand, four hundred ninety".
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