Base | Representation |
---|---|
bin | 10010111010000111… |
… | …001111110101011110 |
3 | 1221101220102021201201 |
4 | 102322013033311132 |
5 | 313034344044410 |
6 | 13154325230114 |
7 | 1316052653026 |
oct | 227207176536 |
9 | 57356367651 |
10 | 20302331230 |
11 | 8679155a45 |
12 | 3b2726233a |
13 | 1bb721085c |
14 | da8504a86 |
15 | 7dc58a83a |
hex | 4ba1cfd5e |
20302331230 has 16 divisors (see below), whose sum is σ = 36592870464. Its totient is φ = 8110116000.
The previous prime is 20302331227. The next prime is 20302331237. The reversal of 20302331230 is 3213320302.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20302331198 and 20302331207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20302331237) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344177 + ... + 1359196.
It is an arithmetic number, because the mean of its divisors is an integer number (2287054404).
Almost surely, 220302331230 is an apocalyptic number.
20302331230 is a deficient number, since it is larger than the sum of its proper divisors (16290539234).
20302331230 is a wasteful number, since it uses less digits than its factorization.
20302331230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2704131.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 20302331230 its reverse (3213320302), we get a palindrome (23515651532).
The spelling of 20302331230 in words is "twenty billion, three hundred two million, three hundred thirty-one thousand, two hundred thirty".
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