Base | Representation |
---|---|
bin | 1111001001101… |
… | …11101000100000 |
3 | 22212011122001122 |
4 | 13210313220200 |
5 | 230014334233 |
6 | 20340151412 |
7 | 3102244112 |
oct | 744675040 |
9 | 285148048 |
10 | 127105568 |
11 | 65825327 |
12 | 36698568 |
13 | 204441c5 |
14 | 12c493b2 |
15 | b25ad98 |
hex | 7937a20 |
127105568 has 18 divisors (see below), whose sum is σ = 250364709. Its totient is φ = 63520896.
The previous prime is 127105553. The next prime is 127105577. The reversal of 127105568 is 865501721.
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 119858704 + 7246864 = 10948^2 + 2692^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=7972.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 62780 + ... + 64772.
Almost surely, 2127105568 is an apocalyptic number.
It is an amenable number.
127105568 is a deficient number, since it is larger than the sum of its proper divisors (123259141).
127105568 is an frugal number, since it uses more digits than its factorization.
127105568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3996 (or 1995 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 35.
The square root of 127105568 is about 11274.1105192383. The cubic root of 127105568 is about 502.7918066185.
The spelling of 127105568 in words is "one hundred twenty-seven million, one hundred five thousand, five hundred sixty-eight".
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