Base | Representation |
---|---|
bin | 11000010000000110… |
… | …11011111000000110 |
3 | 1020121101110120001111 |
4 | 30020003123320012 |
5 | 203131111121410 |
6 | 5551544115234 |
7 | 640435226440 |
oct | 141003337006 |
9 | 36541416044 |
10 | 13020020230 |
11 | 55815099a8 |
12 | 2634465b1a |
13 | 12c65913a9 |
14 | 8b729b490 |
15 | 5130a8b8a |
hex | 3080dbe06 |
13020020230 has 32 divisors (see below), whose sum is σ = 26859968064. Its totient is φ = 4451352576.
The previous prime is 13020020203. The next prime is 13020020239. The reversal of 13020020230 is 3202002031.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 13020020230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13020020239) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238747 + ... + 288166.
It is an arithmetic number, because the mean of its divisors is an integer number (839374002).
Almost surely, 213020020230 is an apocalyptic number.
13020020230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13020020230 is an abundant number, since it is smaller than the sum of its proper divisors (13839947834).
13020020230 is a wasteful number, since it uses less digits than its factorization.
13020020230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 527280.
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 13020020230 its reverse (3202002031), we get a palindrome (16222022261).
The spelling of 13020020230 in words is "thirteen billion, twenty million, twenty thousand, two hundred thirty".
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