Base | Representation |
---|---|
bin | 10010110101001101… |
… | …001011111011011100 |
3 | 1221012011111112021102 |
4 | 102311031023323130 |
5 | 312402310031022 |
6 | 13142224452232 |
7 | 1314033116120 |
oct | 226515137334 |
9 | 57164445242 |
10 | 20220002012 |
11 | 8636733871 |
12 | 3b0377a078 |
13 | 1ba3146242 |
14 | d9b5d3580 |
15 | 7d5226a92 |
hex | 4b534bedc |
20220002012 has 12 divisors (see below), whose sum is σ = 40440004080. Its totient is φ = 8665715136.
The previous prime is 20220002009. The next prime is 20220002059. The reversal of 20220002012 is 21020002202.
20220002012 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 20220001984 and 20220002002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361071437 + ... + 361071492.
It is an arithmetic number, because the mean of its divisors is an integer number (3370000340).
Almost surely, 220220002012 is an apocalyptic number.
It is an amenable number.
20220002012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20220002012 is a wasteful number, since it uses less digits than its factorization.
20220002012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 722142940 (or 722142938 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 11.
Adding to 20220002012 its reverse (21020002202), we get a palindrome (41240004214).
The spelling of 20220002012 in words is "twenty billion, two hundred twenty million, two thousand, twelve".
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