Base | Representation |
---|---|
bin | 111110011011001101… |
… | …001110100100100001 |
3 | 20102000022211211101112 |
4 | 332123031032210201 |
5 | 2044233240223343 |
6 | 50443100113105 |
7 | 4562012246243 |
oct | 763315164441 |
9 | 212008754345 |
10 | 67028445473 |
11 | 264768a0190 |
12 | 10ba7835795 |
13 | 6422912672 |
14 | 335c0d6093 |
15 | 1b247da218 |
hex | f9b34e921 |
67028445473 has 16 divisors (see below), whose sum is σ = 74394849600. Its totient is φ = 59875126080.
The previous prime is 67028445457. The next prime is 67028445481. The reversal of 67028445473 is 37454482076.
It is not a de Polignac number, because 67028445473 - 24 = 67028445457 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (67028435473) 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 15 ways as a sum of consecutive naturals, for example, 1491983 + ... + 1536251.
It is an arithmetic number, because the mean of its divisors is an integer number (4649678100).
Almost surely, 267028445473 is an apocalyptic number.
It is an amenable number.
67028445473 is a deficient number, since it is larger than the sum of its proper divisors (7366404127).
67028445473 is a wasteful number, since it uses less digits than its factorization.
67028445473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46672.
The product of its (nonzero) digits is 4515840, while the sum is 50.
The spelling of 67028445473 in words is "sixty-seven billion, twenty-eight million, four hundred forty-five thousand, four hundred seventy-three".
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