Base | Representation |
---|---|
bin | 101000110111101101011… |
… | …001111111111101111010 |
3 | 100221111110221010011121212 |
4 | 220313231121333331322 |
5 | 332004001221110330 |
6 | 5550130153403122 |
7 | 406625433466034 |
oct | 50675531777572 |
9 | 10844427104555 |
10 | 2808596660090 |
11 | 99313465a541 |
12 | 3943a94094a2 |
13 | 174b07550460 |
14 | 99d18836c54 |
15 | 4d0d0d78295 |
hex | 28ded67ff7a |
2808596660090 has 32 divisors (see below), whose sum is σ = 5462938098576. Its totient is φ = 1033480972800.
The previous prime is 2808596660087. The next prime is 2808596660147. The reversal of 2808596660090 is 900666958082.
It can be written as a sum of positive squares in 8 ways, for example, as 488339608969 + 2320257051121 = 698813^2 + 1523239^2 .
It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36829811 + ... + 36905990.
Almost surely, 22808596660090 is an apocalyptic number.
2808596660090 is a deficient number, since it is larger than the sum of its proper divisors (2654341438486).
2808596660090 is a wasteful number, since it uses less digits than its factorization.
2808596660090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73736114.
The product of its (nonzero) digits is 11197440, while the sum is 59.
The spelling of 2808596660090 in words is "two trillion, eight hundred eight billion, five hundred ninety-six million, six hundred sixty thousand, ninety".
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