Base | Representation |
---|---|
bin | 10110101111001001… |
… | …11110111111110000 |
3 | 1011111201010012022100 |
4 | 23113210332333300 |
5 | 144444410344443 |
6 | 5335132340400 |
7 | 611331334515 |
oct | 132744767760 |
9 | 34451105270 |
10 | 12206731248 |
11 | 51a4421948 |
12 | 2448014700 |
13 | 11c6c378ca |
14 | 83b27330c |
15 | 4b69a93d3 |
hex | 2d793eff0 |
12206731248 has 60 divisors (see below), whose sum is σ = 34172739640. Its totient is φ = 4067618688.
The previous prime is 12206731183. The next prime is 12206731259. The reversal of 12206731248 is 84213760221.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 512958 + ... + 536226.
Almost surely, 212206731248 is an apocalyptic number.
12206731248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
12206731248 is an abundant number, since it is smaller than the sum of its proper divisors (21966008392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12206731248 is a wasteful number, since it uses less digits than its factorization.
12206731248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26926 (or 26917 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The spelling of 12206731248 in words is "twelve billion, two hundred six million, seven hundred thirty-one thousand, two hundred forty-eight".
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