Base | Representation |
---|---|
bin | 10100111000100100… |
… | …11011001011100100 |
3 | 1001221101101010120111 |
4 | 22130102123023210 |
5 | 140430233311322 |
6 | 5052320142404 |
7 | 544562341264 |
oct | 123422331344 |
9 | 31841333514 |
10 | 11212010212 |
11 | 4833984247 |
12 | 220aa67a04 |
13 | 1098b28490 |
14 | 7850db7a4 |
15 | 4594bc177 |
hex | 29c49b2e4 |
11212010212 has 24 divisors (see below), whose sum is σ = 21445711616. Its totient is φ = 5097536928.
The previous prime is 11212010209. The next prime is 11212010233. The reversal of 11212010212 is 21201021211.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 11212010192 and 11212010201.
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, 1605588 + ... + 1612555.
Almost surely, 211212010212 is an apocalyptic number.
It is an amenable number.
11212010212 is a deficient number, since it is larger than the sum of its proper divisors (10233701404).
11212010212 is a wasteful number, since it uses less digits than its factorization.
11212010212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3218227 (or 3218225 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 11212010212 its reverse (21201021211), we get a palindrome (32413031423).
It can be divided in two parts, 11 and 212010212, that multiplied together give a palindrome (2332112332).
The spelling of 11212010212 in words is "eleven billion, two hundred twelve million, ten thousand, two hundred twelve".
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