Base | Representation |
---|---|
bin | 10010101010000000… |
… | …000110001001111001 |
3 | 1220201001210002221220 |
4 | 102222000012021321 |
5 | 312011144133423 |
6 | 13111431422253 |
7 | 1306261240626 |
oct | 225200061171 |
9 | 56631702856 |
10 | 20032021113 |
11 | 854a60aa55 |
12 | 3a70824989 |
13 | 1b73209840 |
14 | d8065d34d |
15 | 7c39939e3 |
hex | 4aa006279 |
20032021113 has 16 divisors (see below), whose sum is σ = 28791354816. Its totient is φ = 12315643200.
The previous prime is 20032021067. The next prime is 20032021133. The reversal of 20032021113 is 31112023002.
It is not a de Polignac number, because 20032021113 - 210 = 20032020089 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20032021092 and 20032021101.
It is not an unprimeable number, because it can be changed into a prime (20032021133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203370 + ... + 285347.
It is an arithmetic number, because the mean of its divisors is an integer number (1799459676).
Almost surely, 220032021113 is an apocalyptic number.
It is an amenable number.
20032021113 is a deficient number, since it is larger than the sum of its proper divisors (8759333703).
20032021113 is a wasteful number, since it uses less digits than its factorization.
20032021113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 489784.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 20032021113 its reverse (31112023002), we get a palindrome (51144044115).
The spelling of 20032021113 in words is "twenty billion, thirty-two million, twenty-one thousand, one hundred thirteen".
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