Base | Representation |
---|---|
bin | 10100101100011100… |
… | …00101111010001100 |
3 | 1001200021211012121011 |
4 | 22112032011322030 |
5 | 140223203224322 |
6 | 5034242215004 |
7 | 542215144222 |
oct | 122616057214 |
9 | 31607735534 |
10 | 11110211212 |
11 | 4791474141 |
12 | 21a0954464 |
13 | 1080a04b99 |
14 | 77579cb12 |
15 | 4505ae677 |
hex | 296385e8c |
11110211212 has 12 divisors (see below), whose sum is σ = 20586567960. Its totient is φ = 5228334656.
The previous prime is 11110211159. The next prime is 11110211213. The reversal of 11110211212 is 21211201111.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 11110211192 and 11110211201.
It is not an unprimeable number, because it can be changed into a prime (11110211213) 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, 81692662 + ... + 81692797.
It is an arithmetic number, because the mean of its divisors is an integer number (1715547330).
Almost surely, 211110211212 is an apocalyptic number.
It is an amenable number.
11110211212 is a deficient number, since it is larger than the sum of its proper divisors (9476356748).
11110211212 is a wasteful number, since it uses less digits than its factorization.
11110211212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163385480 (or 163385478 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 11110211212 its reverse (21211201111), we get a palindrome (32321412323).
The spelling of 11110211212 in words is "eleven billion, one hundred ten million, two hundred eleven thousand, two hundred twelve".
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