Base | Representation |
---|---|
bin | 10000001010110011010… |
… | …101000101101001110100 |
3 | 10221012222011220000200221 |
4 | 100022303111011221310 |
5 | 121201023203242322 |
6 | 2210234215544124 |
7 | 143163226654540 |
oct | 20126325055164 |
9 | 3835864800627 |
10 | 1111110212212 |
11 | 399245825960 |
12 | 15b41068b044 |
13 | 80a147b0740 |
14 | 3bac6c66a20 |
15 | 1dd810609c7 |
hex | 102b3545a74 |
1111110212212 has 48 divisors (see below), whose sum is σ = 2610720508032. Its totient is φ = 399600074880.
The previous prime is 1111110212183. The next prime is 1111110212257. The reversal of 1111110212212 is 2122120111111.
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, 138746023 + ... + 138754030.
It is an arithmetic number, because the mean of its divisors is an integer number (54390010584).
Almost surely, 21111110212212 is an apocalyptic number.
It is an amenable number.
1111110212212 is an abundant number, since it is smaller than the sum of its proper divisors (1499610295820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1111110212212 is a wasteful number, since it uses less digits than its factorization.
1111110212212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277500088 (or 277500086 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 16.
Adding to 1111110212212 its reverse (2122120111111), we get a palindrome (3233230323323).
The spelling of 1111110212212 in words is "one trillion, one hundred eleven billion, one hundred ten million, two hundred twelve thousand, two hundred twelve".
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