Base | Representation |
---|---|
bin | 10001100100101111110… |
… | …111100011111100011001 |
3 | 11021110020220201221001012 |
4 | 101210233313203330121 |
5 | 124241321324420343 |
6 | 2322445444303305 |
7 | 153152441212112 |
oct | 21445767437431 |
9 | 4243226657035 |
10 | 1207688904473 |
11 | 4261a59a18a7 |
12 | 1760846a1b35 |
13 | 89b6654691c |
14 | 42649771209 |
15 | 21634c34718 |
hex | 1192fde3f19 |
1207688904473 has 2 divisors, whose sum is σ = 1207688904474. Its totient is φ = 1207688904472.
The previous prime is 1207688904463. The next prime is 1207688904503. The reversal of 1207688904473 is 3744098867021.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 950708851849 + 256980052624 = 975043^2 + 506932^2 .
It is an emirp because it is prime and its reverse (3744098867021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1207688904473 - 212 = 1207688900377 is a prime.
It is not a weakly prime, because it can be changed into another prime (1207688904403) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603844452236 + 603844452237.
It is an arithmetic number, because the mean of its divisors is an integer number (603844452237).
Almost surely, 21207688904473 is an apocalyptic number.
It is an amenable number.
1207688904473 is a deficient number, since it is larger than the sum of its proper divisors (1).
1207688904473 is an equidigital number, since it uses as much as digits as its factorization.
1207688904473 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16257024, while the sum is 59.
The spelling of 1207688904473 in words is "one trillion, two hundred seven billion, six hundred eighty-eight million, nine hundred four thousand, four hundred seventy-three".
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