Base | Representation |
---|---|
bin | 10010101000111011… |
… | …100001001011000001 |
3 | 1220122210221202210000 |
4 | 102220323201023001 |
5 | 311442043400331 |
6 | 13105550230213 |
7 | 1305652365021 |
oct | 225073411301 |
9 | 56583852700 |
10 | 20014043841 |
11 | 8540451400 |
12 | 3a667b5369 |
13 | 1b6c583cbc |
14 | d7c0dda81 |
15 | 7c20e20e6 |
hex | 4a8ee12c1 |
20014043841 has 45 divisors (see below), whose sum is σ = 32885578803. Its totient is φ = 12121235280.
The previous prime is 20014043821. The next prime is 20014043843. The reversal of 20014043841 is 14834041002.
The square root of 20014043841 is 141471.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 1349019441 + 18665024400 = 36729^2 + 136620^2 .
It is not a de Polignac number, because 20014043841 - 217 = 20013912769 is a prime.
It is a super-3 number, since 3×200140438413 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (20014043843) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 14004915 + ... + 14006343.
Almost surely, 220014043841 is an apocalyptic number.
20014043841 is the 141471-st square number.
20014043841 is the 70736-th centered octagonal number.
It is an amenable number.
20014043841 is a deficient number, since it is larger than the sum of its proper divisors (12871534962).
20014043841 is an frugal number, since it uses more digits than its factorization.
20014043841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2892 (or 1443 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
Adding to 20014043841 its reverse (14834041002), we get a palindrome (34848084843).
It can be divided in two parts, 200 and 14043841, that added together give a palindrome (14044041).
The spelling of 20014043841 in words is "twenty billion, fourteen million, forty-three thousand, eight hundred forty-one".
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