Base | Representation |
---|---|
bin | 10010101000010001… |
… | …011101110110110100 |
3 | 1220122001012201012110 |
4 | 102220101131312310 |
5 | 311431233121322 |
6 | 13104514051020 |
7 | 1305456603120 |
oct | 225021356664 |
9 | 56561181173 |
10 | 20003020212 |
11 | 853520216a |
12 | 3a62b79a70 |
13 | 1b6a1c4546 |
14 | d7a870580 |
15 | 7c1165c0c |
hex | 4a845ddb4 |
20003020212 has 24 divisors (see below), whose sum is σ = 53341387456. Its totient is φ = 5715148608.
The previous prime is 20003020211. The next prime is 20003020217. The reversal of 20003020212 is 21202030002.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20003020211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119065513 + ... + 119065680.
Almost surely, 220003020212 is an apocalyptic number.
It is an amenable number.
20003020212 is an abundant number, since it is smaller than the sum of its proper divisors (33338367244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20003020212 is a wasteful number, since it uses less digits than its factorization.
20003020212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 238131207 (or 238131205 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
Adding to 20003020212 its reverse (21202030002), we get a palindrome (41205050214).
The spelling of 20003020212 in words is "twenty billion, three million, twenty thousand, two hundred twelve".
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