Base | Representation |
---|---|
bin | 10010110001101001… |
… | …000110010001101110 |
3 | 1221000222222210002120 |
4 | 102301221012101232 |
5 | 312242003210110 |
6 | 13132251133410 |
7 | 1312405646352 |
oct | 226151062156 |
9 | 57028883076 |
10 | 20160210030 |
11 | 8605a05204 |
12 | 3aa7744266 |
13 | 1b9393cb7c |
14 | d936ab462 |
15 | 7ced65870 |
hex | 4b1a4646e |
20160210030 has 16 divisors (see below), whose sum is σ = 48384504144. Its totient is φ = 5376056000.
The previous prime is 20160210001. The next prime is 20160210041. The reversal of 20160210030 is 3001206102.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 20160209991 and 20160210009.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336003471 + ... + 336003530.
It is an arithmetic number, because the mean of its divisors is an integer number (3024031509).
Almost surely, 220160210030 is an apocalyptic number.
20160210030 is an abundant number, since it is smaller than the sum of its proper divisors (28224294114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20160210030 is a wasteful number, since it uses less digits than its factorization.
20160210030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 672007011.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 20160210030 its reverse (3001206102), we get a palindrome (23161416132).
The spelling of 20160210030 in words is "twenty billion, one hundred sixty million, two hundred ten thousand, thirty".
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