Base | Representation |
---|---|
bin | 1001011111100001011… |
… | …1010110111101111001 |
3 | 120120221101001001001001 |
4 | 2113320113112331321 |
5 | 10132442122203110 |
6 | 202530200325001 |
7 | 14532201522466 |
oct | 2277027267571 |
9 | 516841031031 |
10 | 163080662905 |
11 | 63186867866 |
12 | 27733473761 |
13 | 124bc584194 |
14 | 7c70b1666d |
15 | 439716663a |
hex | 25f85d6f79 |
163080662905 has 4 divisors (see below), whose sum is σ = 195696795492. Its totient is φ = 130464530320.
The previous prime is 163080662887. The next prime is 163080662959. The reversal of 163080662905 is 509266080361.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 33258087424 + 129822575481 = 182368^2 + 360309^2 .
It is not a de Polignac number, because 163080662905 - 215 = 163080630137 is a prime.
It is a super-2 number, since 2×1630806629052 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16308066286 + ... + 16308066295.
It is an arithmetic number, because the mean of its divisors is an integer number (48924198873).
Almost surely, 2163080662905 is an apocalyptic number.
It is an amenable number.
163080662905 is a deficient number, since it is larger than the sum of its proper divisors (32616132587).
163080662905 is an equidigital number, since it uses as much as digits as its factorization.
163080662905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32616132586.
The product of its (nonzero) digits is 466560, while the sum is 46.
The spelling of 163080662905 in words is "one hundred sixty-three billion, eighty million, six hundred sixty-two thousand, nine hundred five".
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