Base | Representation |
---|---|
bin | 1001000110000101010010… |
… | …11111000001011110110100 |
3 | 2121211000001002220012100021 |
4 | 10203002221133001132310 |
5 | 10110140413032242322 |
6 | 110311545321054524 |
7 | 4132652610214630 |
oct | 443025137013664 |
9 | 77730032805307 |
10 | 20000211212212 |
11 | 6411050908990 |
12 | 22b0212327444 |
13 | b2101cc9558a |
14 | 4d203031bdc0 |
15 | 24a3b86a74c7 |
hex | 1230a97c17b4 |
20000211212212 has 48 divisors (see below), whose sum is σ = 43642600848000. Its totient is φ = 7791258585600.
The previous prime is 20000211212057. The next prime is 20000211212227. The reversal of 20000211212212 is 21221211200002.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965337 + ... + 6622912.
It is an arithmetic number, because the mean of its divisors is an integer number (909220851000).
Almost surely, 220000211212212 is an apocalyptic number.
20000211212212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20000211212212 is an abundant number, since it is smaller than the sum of its proper divisors (23642389635788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20000211212212 is a wasteful number, since it uses less digits than its factorization.
20000211212212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8595832 (or 8595830 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 20000211212212 its reverse (21221211200002), we get a palindrome (41221422412214).
The spelling of 20000211212212 in words is "twenty trillion, two hundred eleven million, two hundred twelve thousand, two hundred twelve".
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