Base | Representation |
---|---|
bin | 10010111010001010… |
… | …101011010101111010 |
3 | 1221101222002222001201 |
4 | 102322022223111322 |
5 | 313040111332310 |
6 | 13154400404414 |
7 | 1316063416225 |
oct | 227212532572 |
9 | 57358088051 |
10 | 20303230330 |
11 | 867970a4a9 |
12 | 3b2761670a |
13 | 1bb7466b76 |
14 | da869a5bc |
15 | 7dc6b6e3a |
hex | 4ba2ab57a |
20303230330 has 16 divisors (see below), whose sum is σ = 38469278880. Its totient is φ = 7693855632.
The previous prime is 20303230327. The next prime is 20303230379. The reversal of 20303230330 is 3303230302.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 20303230298 and 20303230307.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53429364 + ... + 53429743.
It is an arithmetic number, because the mean of its divisors is an integer number (2404329930).
Almost surely, 220303230330 is an apocalyptic number.
20303230330 is a deficient number, since it is larger than the sum of its proper divisors (18166048550).
20303230330 is a wasteful number, since it uses less digits than its factorization.
20303230330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106859133.
The product of its (nonzero) digits is 972, while the sum is 19.
Adding to 20303230330 its reverse (3303230302), we get a palindrome (23606460632).
The spelling of 20303230330 in words is "twenty billion, three hundred three million, two hundred thirty thousand, three hundred thirty".
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