Base | Representation |
---|---|
bin | 10010110100101111… |
… | …111010111000011100 |
3 | 1221011122001202021021 |
4 | 102310233322320130 |
5 | 312343324030022 |
6 | 13141352213524 |
7 | 1313610653560 |
oct | 226457727034 |
9 | 57148052237 |
10 | 20212330012 |
11 | 8632373776 |
12 | 3b0109a2a4 |
13 | 1ba168b1b4 |
14 | d9a5976a0 |
15 | 7d470d7c7 |
hex | 4b4bfae1c |
20212330012 has 12 divisors (see below), whose sum is σ = 40424660080. Its totient is φ = 8662427136.
The previous prime is 20212330003. The next prime is 20212330027. The reversal of 20212330012 is 21003321202.
20212330012 is an admirable number.
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, 360934437 + ... + 360934492.
Almost surely, 220212330012 is an apocalyptic number.
It is an amenable number.
20212330012 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.
20212330012 is a wasteful number, since it uses less digits than its factorization.
20212330012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 721868940 (or 721868938 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20212330012 its reverse (21003321202), we get a palindrome (41215651214).
The spelling of 20212330012 in words is "twenty billion, two hundred twelve million, three hundred thirty thousand, twelve".
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