Base | Representation |
---|---|
bin | 10110110110100010… |
… | …10001000110001000 |
3 | 1011200000200002011212 |
4 | 23123101101012020 |
5 | 200111234440433 |
6 | 5345224112252 |
7 | 613012662122 |
oct | 133321210610 |
9 | 34600602155 |
10 | 12268671368 |
11 | 5226388428 |
12 | 2464905688 |
13 | 1206a13975 |
14 | 845598212 |
15 | 4bc141d48 |
hex | 2db451188 |
12268671368 has 12 divisors (see below), whose sum is σ = 23004346245. Its totient is φ = 6134179040.
The previous prime is 12268671353. The next prime is 12268671391. The reversal of 12268671368 is 86317686221.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 12241652164 + 27019204 = 110642^2 + 5198^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=78322.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 293708 + ... + 332868.
Almost surely, 212268671368 is an apocalyptic number.
It is an amenable number.
12268671368 is a deficient number, since it is larger than the sum of its proper divisors (10735674877).
12268671368 is an frugal number, since it uses more digits than its factorization.
12268671368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78328 (or 39163 counting only the distinct ones).
The product of its digits is 1161216, while the sum is 50.
Multiplying 12268671368 by its sum of digits (50), we get a square (613433568400 = 7832202).
The spelling of 12268671368 in words is "twelve billion, two hundred sixty-eight million, six hundred seventy-one thousand, three hundred sixty-eight".
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