Base | Representation |
---|---|
bin | 111010110011101000… |
… | …1011010011001001001 |
3 | 110001222010122111122022 |
4 | 1311213101122121021 |
5 | 4032113341410020 |
6 | 134003145334225 |
7 | 12060333656402 |
oct | 1654721323111 |
9 | 401863574568 |
10 | 126286669385 |
11 | 49615594958 |
12 | 20585197375 |
13 | bba7794396 |
14 | 61802589a9 |
15 | 3441d67625 |
hex | 1d6745a649 |
126286669385 has 8 divisors (see below), whose sum is σ = 152885101320. Its totient is φ = 100135270144.
The previous prime is 126286669381. The next prime is 126286669393. The reversal of 126286669385 is 583966682621.
It can be written as a sum of positive squares in 4 ways, for example, as 5327394121 + 120959275264 = 72989^2 + 347792^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 126286669385 - 22 = 126286669381 is a prime.
It is not an unprimeable number, because it can be changed into a prime (126286669381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111757550 + ... + 111758679.
It is an arithmetic number, because the mean of its divisors is an integer number (19110637665).
Almost surely, 2126286669385 is an apocalyptic number.
It is an amenable number.
126286669385 is a deficient number, since it is larger than the sum of its proper divisors (26598431935).
126286669385 is a wasteful number, since it uses less digits than its factorization.
126286669385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223516347.
The product of its digits is 44789760, while the sum is 62.
The spelling of 126286669385 in words is "one hundred twenty-six billion, two hundred eighty-six million, six hundred sixty-nine thousand, three hundred eighty-five".
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