Base | Representation |
---|---|
bin | 10010110100100111… |
… | …001001011010010110 |
3 | 1221011110201220120011 |
4 | 102310213021122112 |
5 | 312342231431410 |
6 | 13141231030434 |
7 | 1313552264635 |
oct | 226447113226 |
9 | 57143656504 |
10 | 20210030230 |
11 | 8631042925 |
12 | 3b0036b41a |
13 | 1ba1064490 |
14 | d9a15951c |
15 | 7d440718a |
hex | 4b49c9696 |
20210030230 has 16 divisors (see below), whose sum is σ = 39176366544. Its totient is φ = 7462164960.
The previous prime is 20210030227. The next prime is 20210030233. The reversal of 20210030230 is 3203001202.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20210030227) and next prime (20210030233).
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a self number, because there is not a number n which added to its sum of digits gives 20210030230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20210030233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77730756 + ... + 77731015.
It is an arithmetic number, because the mean of its divisors is an integer number (2448522909).
Almost surely, 220210030230 is an apocalyptic number.
20210030230 is a deficient number, since it is larger than the sum of its proper divisors (18966336314).
20210030230 is a wasteful number, since it uses less digits than its factorization.
20210030230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155461791.
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 20210030230 its reverse (3203001202), we get a palindrome (23413031432).
The spelling of 20210030230 in words is "twenty billion, two hundred ten million, thirty thousand, two hundred thirty".
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