Base | Representation |
---|---|
bin | 1111001110101… |
… | …00011111011101 |
3 | 22220101021101200 |
4 | 13213110133131 |
5 | 230200414221 |
6 | 20402030113 |
7 | 3110561220 |
oct | 747243735 |
9 | 286337350 |
10 | 127748061 |
11 | 66124011 |
12 | 36948339 |
13 | 2060a78c |
14 | 12d755b7 |
15 | b336426 |
hex | 79d47dd |
127748061 has 12 divisors (see below), whose sum is σ = 210885792. Its totient is φ = 72998856.
The previous prime is 127748059. The next prime is 127748083. The reversal of 127748061 is 160847721.
It is not a de Polignac number, because 127748061 - 21 = 127748059 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127748261) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1013811 + ... + 1013936.
It is an arithmetic number, because the mean of its divisors is an integer number (17573816).
Almost surely, 2127748061 is an apocalyptic number.
It is an amenable number.
127748061 is a deficient number, since it is larger than the sum of its proper divisors (83137731).
127748061 is a wasteful number, since it uses less digits than its factorization.
127748061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2027760 (or 2027757 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 36.
The square root of 127748061 is about 11302.5687788219. The cubic root of 127748061 is about 503.6375535663.
The spelling of 127748061 in words is "one hundred twenty-seven million, seven hundred forty-eight thousand, sixty-one".
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