Base | Representation |
---|---|
bin | 110011101111010101… |
… | …1000011010101100100 |
3 | 101121210110002100010102 |
4 | 1213132223003111210 |
5 | 3310023130311322 |
6 | 123013201043232 |
7 | 11012260334555 |
oct | 1473653032544 |
9 | 347713070112 |
10 | 111110010212 |
11 | 43137782223 |
12 | 1964a626518 |
13 | a629473c96 |
14 | 55407aa32c |
15 | 2d547a9792 |
hex | 19deac3564 |
111110010212 has 12 divisors (see below), whose sum is σ = 194454282876. Its totient is φ = 55551643680.
The previous prime is 111110010199. The next prime is 111110010217. The reversal of 111110010212 is 212010011111.
It can be written as a sum of positive squares in 2 ways, for example, as 66426814756 + 44683195456 = 257734^2 + 211384^2 .
It is a junction number, because it is equal to n+sod(n) for n = 111110010193 and 111110010202.
It is not an unprimeable number, because it can be changed into a prime (111110010217) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765239 + ... + 898782.
It is an arithmetic number, because the mean of its divisors is an integer number (16204523573).
Almost surely, 2111110010212 is an apocalyptic number.
It is an amenable number.
111110010212 is a deficient number, since it is larger than the sum of its proper divisors (83344272664).
111110010212 is a wasteful number, since it uses less digits than its factorization.
111110010212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1680718 (or 1680716 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 11.
Adding to 111110010212 its reverse (212010011111), we get a palindrome (323120021323).
The spelling of 111110010212 in words is "one hundred eleven billion, one hundred ten million, ten thousand, two hundred twelve".
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