Base | Representation |
---|---|
bin | 1001001001110111000111… |
… | …11000110010100001001011 |
3 | 2122021102011002210012212012 |
4 | 10210323203320302201023 |
5 | 10114302310224022300 |
6 | 110451340204010135 |
7 | 4145230105232054 |
oct | 444734370624113 |
9 | 78242132705765 |
10 | 20130040064075 |
11 | 6461113910977 |
12 | 231140583094b |
13 | b30340575306 |
14 | 4d8428b9572b |
15 | 24d9664b0435 |
hex | 124ee3e3284b |
20130040064075 has 12 divisors (see below), whose sum is σ = 25017595629288. Its totient is φ = 16067679825600.
The previous prime is 20130040064063. The next prime is 20130040064077. The reversal of 20130040064075 is 57046004003102.
It is not a de Polignac number, because 20130040064075 - 212 = 20130040059979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20130040064077) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 908794346 + ... + 908816495.
It is an arithmetic number, because the mean of its divisors is an integer number (2084799635774).
Almost surely, 220130040064075 is an apocalyptic number.
20130040064075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20130040064075 is a deficient number, since it is larger than the sum of its proper divisors (4887555565213).
20130040064075 is a wasteful number, since it uses less digits than its factorization.
20130040064075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1817611294 (or 1817611289 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 32.
Adding to 20130040064075 its reverse (57046004003102), we get a palindrome (77176044067177).
The spelling of 20130040064075 in words is "twenty trillion, one hundred thirty billion, forty million, sixty-four thousand, seventy-five".
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