Base | Representation |
---|---|
bin | 10010101001011101… |
… | …101011110010010100 |
3 | 1220200102210210121110 |
4 | 102221131223302110 |
5 | 312001342001322 |
6 | 13110510215020 |
7 | 1306121456625 |
oct | 225135536224 |
9 | 56612723543 |
10 | 20023000212 |
11 | 8545509466 |
12 | 3a697b4470 |
13 | 1b7139b827 |
14 | d7d391a4c |
15 | 7c2cb0c0c |
hex | 4a976bc94 |
20023000212 has 24 divisors (see below), whose sum is σ = 46735390912. Its totient is φ = 6672182400.
The previous prime is 20023000189. The next prime is 20023000237. The reversal of 20023000212 is 21200032002.
It is a Harshad number since it is a multiple of its sum of digits (12).
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, 229864 + ... + 304767.
Almost surely, 220023000212 is an apocalyptic number.
It is an amenable number.
20023000212 is an abundant number, since it is smaller than the sum of its proper divisors (26712390700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20023000212 is a wasteful number, since it uses less digits than its factorization.
20023000212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 537759 (or 537757 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
Adding to 20023000212 its reverse (21200032002), we get a palindrome (41223032214).
The spelling of 20023000212 in words is "twenty billion, twenty-three million, two hundred twelve", and thus it is an aban number.
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