Base | Representation |
---|---|
bin | 110100010000011110… |
… | …1110011011110000100 |
3 | 101201122221220120011110 |
4 | 1220200331303132010 |
5 | 3314312342102322 |
6 | 123315411405020 |
7 | 11051654102262 |
oct | 1504075633604 |
9 | 351587816143 |
10 | 112222222212 |
11 | 436585785a1 |
12 | 198babb3770 |
13 | a775a0c2a9 |
14 | 56083a7432 |
15 | 2dbc253c0c |
hex | 1a20f73784 |
112222222212 has 24 divisors (see below), whose sum is σ = 275633528800. Its totient is φ = 35438596416.
The previous prime is 112222222157. The next prime is 112222222249. The reversal of 112222222212 is 212222222211.
It is a nude number because it is divisible by every one of its digits.
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, 246101137 + ... + 246101592.
Almost surely, 2112222222212 is an apocalyptic number.
112222222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
112222222212 is an abundant number, since it is smaller than the sum of its proper divisors (163411306588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
112222222212 is a wasteful number, since it uses less digits than its factorization.
112222222212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 492202755 (or 492202753 counting only the distinct ones).
The product of its digits is 512, while the sum is 21.
Adding to 112222222212 its reverse (212222222211), we get a palindrome (324444444423).
Subtracting 112222222212 from its reverse (212222222211), we obtain a palindrome (99999999999).
The spelling of 112222222212 in words is "one hundred twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twelve".
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