Base | Representation |
---|---|
bin | 10110111111111000… |
… | …00001110001111000 |
3 | 1011212111001001201101 |
4 | 23133330001301320 |
5 | 200241312132223 |
6 | 5401102501144 |
7 | 614653452325 |
oct | 133774016170 |
9 | 34774031641 |
10 | 12346989688 |
11 | 5266610110 |
12 | 2486b947b4 |
13 | 121a005777 |
14 | 851b43b4c |
15 | 4c3e624ad |
hex | 2dff01c78 |
12346989688 has 32 divisors (see below), whose sum is σ = 25937786160. Its totient is φ = 5460583680.
The previous prime is 12346989679. The next prime is 12346989691. The reversal of 12346989688 is 88698964321.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892781 + ... + 1899292.
Almost surely, 212346989688 is an apocalyptic number.
It is an amenable number.
12346989688 is an abundant number, since it is smaller than the sum of its proper divisors (13590796472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12346989688 is a wasteful number, since it uses less digits than its factorization.
12346989688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3792127 (or 3792123 counting only the distinct ones).
The product of its digits is 35831808, while the sum is 64.
The spelling of 12346989688 in words is "twelve billion, three hundred forty-six million, nine hundred eighty-nine thousand, six hundred eighty-eight".
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