Base | Representation |
---|---|
bin | 10110111100101101… |
… | …10111100000011101 |
3 | 1011210122010210000022 |
4 | 23132112313200131 |
5 | 200213020033234 |
6 | 5354314241525 |
7 | 614212163504 |
oct | 133626674035 |
9 | 34718123008 |
10 | 12320471069 |
11 | 52526482a5 |
12 | 247a1262a5 |
13 | 121467c28a |
14 | 84c3dd83b |
15 | 4c1974e2e |
hex | 2de5b781d |
12320471069 has 4 divisors (see below), whose sum is σ = 12606993696. Its totient is φ = 12033948444.
The previous prime is 12320471057. The next prime is 12320471071. The reversal of 12320471069 is 96017402321.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96017402321 = 677 ⋅141827773.
It is a cyclic number.
It is not a de Polignac number, because 12320471069 - 216 = 12320405533 is a prime.
It is a super-2 number, since 2×123204710692 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12320471029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143261249 + ... + 143261334.
It is an arithmetic number, because the mean of its divisors is an integer number (3151748424).
Almost surely, 212320471069 is an apocalyptic number.
It is an amenable number.
12320471069 is a deficient number, since it is larger than the sum of its proper divisors (286522627).
12320471069 is an equidigital number, since it uses as much as digits as its factorization.
12320471069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286522626.
The product of its (nonzero) digits is 18144, while the sum is 35.
The spelling of 12320471069 in words is "twelve billion, three hundred twenty million, four hundred seventy-one thousand, sixty-nine".
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