Base | Representation |
---|---|
bin | 111110111100010… |
… | …1011101101101000 |
3 | 12110012010021120210 |
4 | 1331320223231220 |
5 | 13311133323422 |
6 | 545323421120 |
7 | 103223540541 |
oct | 17570535550 |
9 | 5405107523 |
10 | 2112011112 |
11 | 9941a2232 |
12 | 4ab3847a0 |
13 | 278734c23 |
14 | 1606d54c8 |
15 | c563b10c |
hex | 7de2bb68 |
2112011112 has 32 divisors (see below), whose sum is σ = 5283586080. Its totient is φ = 703529280.
The previous prime is 2112011093. The next prime is 2112011123. The reversal of 2112011112 is 2111102112.
It is a super-2 number, since 2×21120111122 = 8921181874422953088, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7662 + ... + 65442.
It is an arithmetic number, because the mean of its divisors is an integer number (165112065).
Almost surely, 22112011112 is an apocalyptic number.
It is an amenable number.
2112011112 is an abundant number, since it is smaller than the sum of its proper divisors (3171574968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112011112 is a wasteful number, since it uses less digits than its factorization.
2112011112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59313 (or 59309 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 12.
The square root of 2112011112 is about 45956.6220690773. The cubic root of 2112011112 is about 1283.0159821283.
Adding to 2112011112 its reverse (2111102112), we get a palindrome (4223113224).
The spelling of 2112011112 in words is "two billion, one hundred twelve million, eleven thousand, one hundred twelve".
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