Base | Representation |
---|---|
bin | 10110100001010100… |
… | …10110110000100101 |
3 | 1011012121210010200212 |
4 | 23100222112300211 |
5 | 144230204330124 |
6 | 5315425345205 |
7 | 605422146461 |
oct | 132052266045 |
9 | 34177703625 |
10 | 12090698789 |
11 | 514497aa54 |
12 | 2415198205 |
13 | 11a8b9c850 |
14 | 829aab4a1 |
15 | 4ab6d940e |
hex | 2d0a96c25 |
12090698789 has 8 divisors (see below), whose sum is σ = 13149672312. Its totient is φ = 11050142400.
The previous prime is 12090698783. The next prime is 12090698801. The reversal of 12090698789 is 98789609021.
It can be written as a sum of positive squares in 4 ways, for example, as 153388225 + 11937310564 = 12385^2 + 109258^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12090698789 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12090698783) 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, 4602914 + ... + 4605539.
It is an arithmetic number, because the mean of its divisors is an integer number (1643709039).
Almost surely, 212090698789 is an apocalyptic number.
It is an amenable number.
12090698789 is a deficient number, since it is larger than the sum of its proper divisors (1058973523).
12090698789 is a wasteful number, since it uses less digits than its factorization.
12090698789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9208567.
The product of its (nonzero) digits is 3919104, while the sum is 59.
The spelling of 12090698789 in words is "twelve billion, ninety million, six hundred ninety-eight thousand, seven hundred eighty-nine".
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