Base | Representation |
---|---|
bin | 10111110101101011… |
… | …11001110110010001 |
3 | 1020000221101111221221 |
4 | 23322311321312101 |
5 | 202202340303134 |
6 | 5513545245041 |
7 | 632104225435 |
oct | 137265716621 |
9 | 36027344857 |
10 | 12798369169 |
11 | 5478389203 |
12 | 2592193781 |
13 | 128c696311 |
14 | 895a809c5 |
15 | 4ed8c45b4 |
hex | 2fad79d91 |
12798369169 has 8 divisors (see below), whose sum is σ = 13073338368. Its totient is φ = 12523511040.
The previous prime is 12798369121. The next prime is 12798369211. The reversal of 12798369169 is 96196389721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12798369169 - 27 = 12798369041 is a prime.
It is a super-2 number, since 2×127983691692 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12798369569) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230704 + ... + 280750.
It is an arithmetic number, because the mean of its divisors is an integer number (1634167296).
Almost surely, 212798369169 is an apocalyptic number.
It is an amenable number.
12798369169 is a deficient number, since it is larger than the sum of its proper divisors (274969199).
12798369169 is an equidigital number, since it uses as much as digits as its factorization.
12798369169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55535.
The product of its digits is 8817984, while the sum is 61.
The spelling of 12798369169 in words is "twelve billion, seven hundred ninety-eight million, three hundred sixty-nine thousand, one hundred sixty-nine".
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