Base | Representation |
---|---|
bin | 1101001110111… |
… | …10100101110100 |
3 | 21201220000010102 |
4 | 12213132211310 |
5 | 211404342322 |
6 | 15003213232 |
7 | 2515405523 |
oct | 647364564 |
9 | 251800112 |
10 | 111012212 |
11 | 57733133 |
12 | 31217218 |
13 | 19ccaccc |
14 | 10a5a4ba |
15 | 9b2c792 |
hex | 69de974 |
111012212 has 12 divisors (see below), whose sum is σ = 204496320. Its totient is φ = 52584696.
The previous prime is 111012199. The next prime is 111012221. The reversal of 111012212 is 212210111.
It is a super-2 number, since 2×1110122122 = 24647422426265888, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 111012193 and 111012202.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730268 + ... + 730419.
It is an arithmetic number, because the mean of its divisors is an integer number (17041360).
Almost surely, 2111012212 is an apocalyptic number.
It is an amenable number.
111012212 is a deficient number, since it is larger than the sum of its proper divisors (93484108).
111012212 is a wasteful number, since it uses less digits than its factorization.
111012212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1460710 (or 1460708 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 11.
The square root of 111012212 is about 10536.2332927854. The cubic root of 111012212 is about 480.6071772276.
Adding to 111012212 its reverse (212210111), we get a palindrome (323222323).
The spelling of 111012212 in words is "one hundred eleven million, twelve thousand, two hundred twelve".
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