Base | Representation |
---|---|
bin | 10110111100011111… |
… | …10001111111100000 |
3 | 1011210111122101212102 |
4 | 23132033301333200 |
5 | 200212031112342 |
6 | 5354210345532 |
7 | 614160325664 |
oct | 133617617740 |
9 | 34714571772 |
10 | 12318613472 |
11 | 52515996a0 |
12 | 247958b2a8 |
13 | 121417b8c9 |
14 | 84c0788a4 |
15 | 4c1709832 |
hex | 2de3f1fe0 |
12318613472 has 24 divisors (see below), whose sum is σ = 26457022872. Its totient is φ = 5599369600.
The previous prime is 12318613471. The next prime is 12318613477. The reversal of 12318613472 is 27431681321.
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 3 ways as a sum of consecutive naturals, for example, 17497679 + ... + 17498382.
It is an arithmetic number, because the mean of its divisors is an integer number (1102375953).
Almost surely, 212318613472 is an apocalyptic number.
It is an amenable number.
12318613472 is an abundant number, since it is smaller than the sum of its proper divisors (14138409400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12318613472 is a wasteful number, since it uses less digits than its factorization.
12318613472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34996082 (or 34996074 counting only the distinct ones).
The product of its digits is 48384, while the sum is 38.
The spelling of 12318613472 in words is "twelve billion, three hundred eighteen million, six hundred thirteen thousand, four hundred seventy-two".
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