Base | Representation |
---|---|
bin | 10110111111110011… |
… | …01111010010110111 |
3 | 1011212102220120200010 |
4 | 23133321233102313 |
5 | 200241133432222 |
6 | 5401041551303 |
7 | 614645403132 |
oct | 133771572267 |
9 | 34772816603 |
10 | 12346389687 |
11 | 5266240345 |
12 | 2486945533 |
13 | 1219b55638 |
14 | 851a29219 |
15 | 4c3d9480c |
hex | 2dfe6f4b7 |
12346389687 has 8 divisors (see below), whose sum is σ = 16462443904. Its totient is φ = 8230630968.
The previous prime is 12346389667. The next prime is 12346389703. The reversal of 12346389687 is 78698364321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12346389687 - 212 = 12346385591 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 (12346389667) 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, 56478 + ... + 166980.
It is an arithmetic number, because the mean of its divisors is an integer number (2057805488).
Almost surely, 212346389687 is an apocalyptic number.
12346389687 is a deficient number, since it is larger than the sum of its proper divisors (4116054217).
12346389687 is a wasteful number, since it uses less digits than its factorization.
12346389687 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147749.
The product of its digits is 10450944, while the sum is 57.
The spelling of 12346389687 in words is "twelve billion, three hundred forty-six million, three hundred eighty-nine thousand, six hundred eighty-seven".
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