Base | Representation |
---|---|
bin | 10010101010011110… |
… | …10100000010110100 |
3 | 221212022102100201102 |
4 | 21111033110002310 |
5 | 131010110342322 |
6 | 4334135345232 |
7 | 503206461410 |
oct | 112517240264 |
9 | 27768370642 |
10 | 10020012212 |
11 | 4282043531 |
12 | 1b37822218 |
13 | c38ba6312 |
14 | 6b0a91d40 |
15 | 3d9a12792 |
hex | 2553d40b4 |
10020012212 has 24 divisors (see below), whose sum is σ = 20055268800. Its totient is φ = 4291024320.
The previous prime is 10020012199. The next prime is 10020012271. The reversal of 10020012212 is 21221002001.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 10020012193 and 10020012202.
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, 98462 + ... + 172437.
It is an arithmetic number, because the mean of its divisors is an integer number (835636200).
Almost surely, 210020012212 is an apocalyptic number.
It is an amenable number.
10020012212 is an abundant number, since it is smaller than the sum of its proper divisors (10035256588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10020012212 is a wasteful number, since it uses less digits than its factorization.
10020012212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272231 (or 272229 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 10020012212 its reverse (21221002001), we get a palindrome (31241014213).
The spelling of 10020012212 in words is "ten billion, twenty million, twelve thousand, two hundred twelve".
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