Base | Representation |
---|---|
bin | 100110011011010111010… |
… | …0101100001111110110101 |
3 | 200200220022220102122010101 |
4 | 1030312232211201332311 |
5 | 1143012344113142020 |
6 | 15122132315354101 |
7 | 1053400050164044 |
oct | 114665645417665 |
9 | 20626286378111 |
10 | 5281443880885 |
11 | 1756936424927 |
12 | 7136b4a52931 |
13 | 2c40656bbb23 |
14 | 1438a229855b |
15 | 925b0cc600a |
hex | 4cdae961fb5 |
5281443880885 has 16 divisors (see below), whose sum is σ = 6457417043184. Its totient is φ = 4145368095232.
The previous prime is 5281443880861. The next prime is 5281443880913. The reversal of 5281443880885 is 5880883441825.
It can be written as a sum of positive squares in 8 ways, for example, as 75845710801 + 5205598170084 = 275401^2 + 2281578^2 .
It is a cyclic number.
It is not a de Polignac number, because 5281443880885 - 225 = 5281410326453 is a prime.
It is a super-2 number, since 2×52814438808852 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21947679 + ... + 22187011.
It is an arithmetic number, because the mean of its divisors is an integer number (403588565199).
Almost surely, 25281443880885 is an apocalyptic number.
It is an amenable number.
5281443880885 is a deficient number, since it is larger than the sum of its proper divisors (1175973162299).
5281443880885 is a wasteful number, since it uses less digits than its factorization.
5281443880885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 322664.
The product of its (nonzero) digits is 78643200, while the sum is 64.
The spelling of 5281443880885 in words is "five trillion, two hundred eighty-one billion, four hundred forty-three million, eight hundred eighty thousand, eight hundred eighty-five".
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