Base | Representation |
---|---|
bin | 10111001110111100… |
… | …10101100000000000 |
3 | 1012012021221120210221 |
4 | 23213132111200000 |
5 | 201021144030442 |
6 | 5421420432424 |
7 | 621050232160 |
oct | 134736254000 |
9 | 35167846727 |
10 | 12473423872 |
11 | 5320a16a78 |
12 | 25013a8714 |
13 | 123a2731b0 |
14 | 8648565a0 |
15 | 4d00d9467 |
hex | 2e7795800 |
12473423872 has 384 divisors, whose sum is σ = 33814609920. Its totient is φ = 4459069440.
The previous prime is 12473423861. The next prime is 12473423927. The reversal of 12473423872 is 27832437421.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98215873 + ... + 98215999.
It is an arithmetic number, because the mean of its divisors is an integer number (88058880).
Almost surely, 212473423872 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12473423872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16907304960).
12473423872 is an abundant number, since it is smaller than the sum of its proper divisors (21341186048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12473423872 is a wasteful number, since it uses less digits than its factorization.
12473423872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217 (or 197 counting only the distinct ones).
The product of its digits is 451584, while the sum is 43.
The spelling of 12473423872 in words is "twelve billion, four hundred seventy-three million, four hundred twenty-three thousand, eight hundred seventy-two".
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