Base | Representation |
---|---|
bin | 111100000000000111… |
… | …1110101110000000111 |
3 | 110022120222222022021100 |
4 | 1320000033311300013 |
5 | 4102342402434312 |
6 | 135105550351143 |
7 | 12211046612115 |
oct | 1700017656007 |
9 | 408528868240 |
10 | 128853171207 |
11 | 4a71228a742 |
12 | 20b807bb4b3 |
13 | c1c6409007 |
14 | 634505aab5 |
15 | 354232c5dc |
hex | 1e003f5c07 |
128853171207 has 24 divisors (see below), whose sum is σ = 195931502000. Its totient is φ = 81374969088.
The previous prime is 128853171163. The next prime is 128853171269. The reversal of 128853171207 is 702171358821.
128853171207 is a `hidden beast` number, since 1 + 28 + 8 + 531 + 71 + 20 + 7 = 666.
It is not a de Polignac number, because 128853171207 - 216 = 128853105671 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128853171107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4096713 + ... + 4128045.
Almost surely, 2128853171207 is an apocalyptic number.
128853171207 is a deficient number, since it is larger than the sum of its proper divisors (67078330793).
128853171207 is a wasteful number, since it uses less digits than its factorization.
128853171207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55407 (or 55404 counting only the distinct ones).
The product of its (nonzero) digits is 188160, while the sum is 45.
The spelling of 128853171207 in words is "one hundred twenty-eight billion, eight hundred fifty-three million, one hundred seventy-one thousand, two hundred seven".
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