Base | Representation |
---|---|
bin | 1111001011011010… |
… | …00010010000000001 |
3 | 210000220022200000200 |
4 | 13211231002100001 |
5 | 113142040133312 |
6 | 3424332035413 |
7 | 405635164353 |
oct | 74555022001 |
9 | 23026280020 |
10 | 8148755457 |
11 | 350183a647 |
12 | 16b5002b69 |
13 | 9cb2c76bb |
14 | 57434b0d3 |
15 | 32a5d10dc |
hex | 1e5b42401 |
8148755457 has 12 divisors (see below), whose sum is σ = 11845397460. Its totient is φ = 5397900768.
The previous prime is 8148755423. The next prime is 8148755467. The reversal of 8148755457 is 7545578418.
8148755457 is a `hidden beast` number, since 8 + 1 + 4 + 87 + 554 + 5 + 7 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1926858816 + 6221896641 = 43896^2 + 78879^2 .
It is not a de Polignac number, because 8148755457 - 26 = 8148755393 is a prime.
It is not an unprimeable number, because it can be changed into a prime (8148755467) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 2882082 + ... + 2884907.
It is an arithmetic number, because the mean of its divisors is an integer number (987116455).
Almost surely, 28148755457 is an apocalyptic number.
It is an amenable number.
8148755457 is a deficient number, since it is larger than the sum of its proper divisors (3696642003).
8148755457 is a wasteful number, since it uses less digits than its factorization.
8148755457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5767152 (or 5767149 counting only the distinct ones).
The product of its digits is 6272000, while the sum is 54.
The square root of 8148755457 is about 90270.4572770073. The cubic root of 8148755457 is about 2012.3202381108.
The spelling of 8148755457 in words is "eight billion, one hundred forty-eight million, seven hundred fifty-five thousand, four hundred fifty-seven".
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