Base | Representation |
---|---|
bin | 10111001110101111… |
… | …01001001111000101 |
3 | 1012012011122110112122 |
4 | 23213113221033011 |
5 | 201020221412301 |
6 | 5421315055325 |
7 | 621026305031 |
oct | 134727511705 |
9 | 35164573478 |
10 | 12471669701 |
11 | 531aa29047 |
12 | 25008a1545 |
13 | 1239aaa91a |
14 | 86451b1c1 |
15 | 4ced8e81b |
hex | 2e75e93c5 |
12471669701 has 4 divisors (see below), whose sum is σ = 12477497004. Its totient is φ = 12465842400.
The previous prime is 12471669671. The next prime is 12471669731. The reversal of 12471669701 is 10796617421.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10796617421 = 1277 ⋅8454673.
It is an interprime number because it is at equal distance from previous prime (12471669671) and next prime (12471669731).
It can be written as a sum of positive squares in 2 ways, for example, as 5942868100 + 6528801601 = 77090^2 + 80801^2 .
It is a cyclic number.
It is not a de Polignac number, because 12471669701 - 214 = 12471653317 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 (12471669731) 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, 2910440 + ... + 2914721.
It is an arithmetic number, because the mean of its divisors is an integer number (3119374251).
Almost surely, 212471669701 is an apocalyptic number.
It is an amenable number.
12471669701 is a deficient number, since it is larger than the sum of its proper divisors (5827303).
12471669701 is an equidigital number, since it uses as much as digits as its factorization.
12471669701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5827302.
The product of its (nonzero) digits is 127008, while the sum is 44.
The spelling of 12471669701 in words is "twelve billion, four hundred seventy-one million, six hundred sixty-nine thousand, seven hundred one".
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