Base | Representation |
---|---|
bin | 10001011111011101111… |
… | …111100011110011000100 |
3 | 11020220121212021002100012 |
4 | 101133131333203303010 |
5 | 124143214144131040 |
6 | 2320111150405352 |
7 | 152562116662256 |
oct | 21373577436304 |
9 | 4226555232305 |
10 | 1202020302020 |
11 | 42385713a98a |
12 | 174b62200858 |
13 | 8947201caa5 |
14 | 4226c989cd6 |
15 | 2140225d865 |
hex | 117ddfe3cc4 |
1202020302020 has 24 divisors (see below), whose sum is σ = 2571869856024. Its totient is φ = 471736269056.
The previous prime is 1202020302011. The next prime is 1202020302031. The reversal of 1202020302020 is 202030202021.
It can be written as a sum of positive squares in 4 ways, for example, as 373800177664 + 828220124356 = 611392^2 + 910066^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1202020301986 and 1202020302004.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566989649 + ... + 566991768.
It is an arithmetic number, because the mean of its divisors is an integer number (107161244001).
Almost surely, 21202020302020 is an apocalyptic number.
1202020302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1202020302020 is an abundant number, since it is smaller than the sum of its proper divisors (1369849554004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1202020302020 is a wasteful number, since it uses less digits than its factorization.
1202020302020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1133981479 (or 1133981477 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
Adding to 1202020302020 its reverse (202030202021), we get a palindrome (1404050504041).
Subtracting from 1202020302020 its reverse (202030202021), we obtain a palindrome (999990099999).
The spelling of 1202020302020 in words is "one trillion, two hundred two billion, twenty million, three hundred two thousand, twenty".
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