Base | Representation |
---|---|
bin | 10010110100101110… |
… | …110010011011001110 |
3 | 1221011121111200011100 |
4 | 102310232302123032 |
5 | 312343240030410 |
6 | 13141342003530 |
7 | 1313605306404 |
oct | 226456623316 |
9 | 57147450140 |
10 | 20212033230 |
11 | 86321907a4 |
12 | 3b00b765a6 |
13 | 1ba15b609c |
14 | d9a51b474 |
15 | 7d46a08c0 |
hex | 4b4bb26ce |
20212033230 has 96 divisors (see below), whose sum is σ = 53157630240. Its totient is φ = 5328011520.
The previous prime is 20212033223. The next prime is 20212033321. The reversal of 20212033230 is 3233021202.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
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 47 ways as a sum of consecutive naturals, for example, 3168324 + ... + 3174696.
It is an arithmetic number, because the mean of its divisors is an integer number (553725315).
Almost surely, 220212033230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20212033230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26578815120).
20212033230 is an abundant number, since it is smaller than the sum of its proper divisors (32945597010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20212033230 is a wasteful number, since it uses less digits than its factorization.
20212033230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6786 (or 6783 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20212033230 its reverse (3233021202), we get a palindrome (23445054432).
The spelling of 20212033230 in words is "twenty billion, two hundred twelve million, thirty-three thousand, two hundred thirty".
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