Base | Representation |
---|---|
bin | 10111111001111100… |
… | …11001011000000010 |
3 | 1020010102201100212211 |
4 | 23330332121120002 |
5 | 202241020244030 |
6 | 5521304212334 |
7 | 633020321422 |
oct | 137476313002 |
9 | 36112640784 |
10 | 12834149890 |
11 | 54965a7851 |
12 | 25a216a0aa |
13 | 1296c13543 |
14 | 89a716482 |
15 | 501ae112a |
hex | 2fcf99602 |
12834149890 has 8 divisors (see below), whose sum is σ = 23101469820. Its totient is φ = 5133659952.
The previous prime is 12834149869. The next prime is 12834149917. The reversal of 12834149890 is 9894143821.
It can be written as a sum of positive squares in 2 ways, for example, as 12264898009 + 569251881 = 110747^2 + 23859^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641707485 + ... + 641707504.
Almost surely, 212834149890 is an apocalyptic number.
12834149890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12834149890 is a deficient number, since it is larger than the sum of its proper divisors (10267319930).
12834149890 is a wasteful number, since it uses less digits than its factorization.
12834149890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1283414996.
The product of its (nonzero) digits is 497664, while the sum is 49.
The spelling of 12834149890 in words is "twelve billion, eight hundred thirty-four million, one hundred forty-nine thousand, eight hundred ninety".
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