Base | Representation |
---|---|
bin | 111101101110111101… |
… | …011010100111110001 |
3 | 20100002120222220222210 |
4 | 331232331122213301 |
5 | 2041223220244100 |
6 | 50241301122333 |
7 | 4534426402452 |
oct | 755675324761 |
9 | 210076886883 |
10 | 66286103025 |
11 | 2612586032a |
12 | 10a1b0b93a9 |
13 | 6334b9948c |
14 | 32cb699129 |
15 | 1ace551c50 |
hex | f6ef5a9f1 |
66286103025 has 12 divisors (see below), whose sum is σ = 109593023792. Its totient is φ = 35352588240.
The previous prime is 66286103011. The next prime is 66286103029. The reversal of 66286103025 is 52030168266.
It is not a de Polignac number, because 66286103025 - 29 = 66286102513 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (66286103029) 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, 441907279 + ... + 441907428.
Almost surely, 266286103025 is an apocalyptic number.
It is an amenable number.
66286103025 is a deficient number, since it is larger than the sum of its proper divisors (43306920767).
66286103025 is a wasteful number, since it uses less digits than its factorization.
66286103025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 883814720 (or 883814715 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 39.
The spelling of 66286103025 in words is "sixty-six billion, two hundred eighty-six million, one hundred three thousand, twenty-five".
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