Base | Representation |
---|---|
bin | 10110111100011111… |
… | …10001111111100111 |
3 | 1011210111122101212200 |
4 | 23132033301333213 |
5 | 200212031112404 |
6 | 5354210345543 |
7 | 614160326004 |
oct | 133617617747 |
9 | 34714571780 |
10 | 12318613479 |
11 | 52515996a7 |
12 | 247958b2b3 |
13 | 121417b903 |
14 | 84c0788ab |
15 | 4c1709839 |
hex | 2de3f1fe7 |
12318613479 has 6 divisors (see below), whose sum is σ = 17793552816. Its totient is φ = 8212408980.
The previous prime is 12318613477. The next prime is 12318613511. The reversal of 12318613479 is 97431681321.
12318613479 is a `hidden beast` number, since 1 + 23 + 1 + 8 + 613 + 4 + 7 + 9 = 666.
It is not a de Polignac number, because 12318613479 - 21 = 12318613477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12318613471) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 684367407 + ... + 684367424.
It is an arithmetic number, because the mean of its divisors is an integer number (2965592136).
Almost surely, 212318613479 is an apocalyptic number.
12318613479 is a deficient number, since it is larger than the sum of its proper divisors (5474939337).
12318613479 is a wasteful number, since it uses less digits than its factorization.
12318613479 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1368734837 (or 1368734834 counting only the distinct ones).
The product of its digits is 217728, while the sum is 45.
The spelling of 12318613479 in words is "twelve billion, three hundred eighteen million, six hundred thirteen thousand, four hundred seventy-nine".
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