Base | Representation |
---|---|
bin | 11000000000111110… |
… | …00011011001100110 |
3 | 1020021112112102001101 |
4 | 30000133003121212 |
5 | 202401104323103 |
6 | 5531210350314 |
7 | 634334023354 |
oct | 140037033146 |
9 | 36245472041 |
10 | 12893042278 |
11 | 5516871546 |
12 | 25b9a2b39a |
13 | 12a61932cc |
14 | 8a44867d4 |
15 | 506d75a1d |
hex | 3007c3666 |
12893042278 has 8 divisors (see below), whose sum is σ = 19377560160. Its totient is φ = 6433855560.
The previous prime is 12893042273. The next prime is 12893042317. The reversal of 12893042278 is 87224039821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12893042273) 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, 6331518 + ... + 6333553.
It is an arithmetic number, because the mean of its divisors is an integer number (2422195020).
Almost surely, 212893042278 is an apocalyptic number.
12893042278 is a deficient number, since it is larger than the sum of its proper divisors (6484517882).
12893042278 is a wasteful number, since it uses less digits than its factorization.
12893042278 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12665582.
The product of its (nonzero) digits is 387072, while the sum is 46.
The spelling of 12893042278 in words is "twelve billion, eight hundred ninety-three million, forty-two thousand, two hundred seventy-eight".
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