Base | Representation |
---|---|
bin | 110111001001011010111000… |
… | …1100111111110001100000001 |
3 | 2100121112011202211110112111102 |
4 | 1232102311301213332030001 |
5 | 1002040021421231300111 |
6 | 4435402330503424145 |
7 | 204113600556653561 |
oct | 15622656147761401 |
9 | 2317464684415442 |
10 | 485079807681281 |
11 | 13061a21148248a |
12 | 464a3872155055 |
13 | 17a88aa27b1077 |
14 | 87addb8d7ada1 |
15 | 3b1308b91913b |
hex | 1b92d719fe301 |
485079807681281 has 16 divisors (see below), whose sum is σ = 517092962130000. Its totient is φ = 453453593100288.
The previous prime is 485079807681253. The next prime is 485079807681283. The reversal of 485079807681281 is 182186708970584.
It can be written as a sum of positive squares in 8 ways, for example, as 116248397241025 + 368831410440256 = 10781855^2 + 19204984^2 .
It is a cyclic number.
It is not a de Polignac number, because 485079807681281 - 210 = 485079807680257 is a prime.
It is a super-2 number, since 2×4850798076812812 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 485079807681199 and 485079807681208.
It is not an unprimeable number, because it can be changed into a prime (485079807681283) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35103695 + ... + 46930043.
It is an arithmetic number, because the mean of its divisors is an integer number (32318310133125).
Almost surely, 2485079807681281 is an apocalyptic number.
It is an amenable number.
485079807681281 is a deficient number, since it is larger than the sum of its proper divisors (32013154448719).
485079807681281 is a wasteful number, since it uses less digits than its factorization.
485079807681281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11842708.
The product of its (nonzero) digits is 433520640, while the sum is 74.
The spelling of 485079807681281 in words is "four hundred eighty-five trillion, seventy-nine billion, eight hundred seven million, six hundred eighty-one thousand, two hundred eighty-one".
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