Base | Representation |
---|---|
bin | 11101100001001100101… |
… | …000000011000111110001 |
3 | 21011220221100200112211202 |
4 | 131201030220003013301 |
5 | 231213342043140143 |
6 | 4151515032020545 |
7 | 266361241421405 |
oct | 35411450030761 |
9 | 7156840615752 |
10 | 2028510130673 |
11 | 7123170a3a54 |
12 | 28917bb31755 |
13 | 119398073390 |
14 | 702750b1105 |
15 | 37b75e0dab8 |
hex | 1d84ca031f1 |
2028510130673 has 16 divisors (see below), whose sum is σ = 2186111593680. Its totient is φ = 1871132368896.
The previous prime is 2028510130667. The next prime is 2028510130681. The reversal of 2028510130673 is 3760310158202.
It can be written as a sum of positive squares in 8 ways, for example, as 16628876209 + 2011881254464 = 128953^2 + 1418408^2 .
It is a cyclic number.
It is not a de Polignac number, because 2028510130673 - 234 = 2011330261489 is a prime.
It is a super-2 number, since 2×20285101306732 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2028510130663) 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, 132323873 + ... + 132339201.
It is an arithmetic number, because the mean of its divisors is an integer number (136631974605).
Almost surely, 22028510130673 is an apocalyptic number.
It is an amenable number.
2028510130673 is a deficient number, since it is larger than the sum of its proper divisors (157601463007).
2028510130673 is a wasteful number, since it uses less digits than its factorization.
2028510130673 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21956.
The product of its (nonzero) digits is 60480, while the sum is 38.
Adding to 2028510130673 its reverse (3760310158202), we get a palindrome (5788820288875).
The spelling of 2028510130673 in words is "two trillion, twenty-eight billion, five hundred ten million, one hundred thirty thousand, six hundred seventy-three".
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