Base | Representation |
---|---|
bin | 111110111100100… |
… | …0110010100111010 |
3 | 12110012022211010012 |
4 | 1331321012110322 |
5 | 13311200320442 |
6 | 545330021522 |
7 | 103224503420 |
oct | 17571062472 |
9 | 5405284105 |
10 | 2112120122 |
11 | 994267122 |
12 | 4ab4178a2 |
13 | 278772728 |
14 | 160723110 |
15 | c565d582 |
hex | 7de4653a |
2112120122 has 32 divisors (see below), whose sum is σ = 3704735232. Its totient is φ = 884277504.
The previous prime is 2112120097. The next prime is 2112120133. The reversal of 2112120122 is 2210212112.
It is a super-2 number, since 2×21121201222 = 8922102819514589768, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 2112120097 and 2112120106.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387488 + ... + 392900.
It is an arithmetic number, because the mean of its divisors is an integer number (115772976).
Almost surely, 22112120122 is an apocalyptic number.
2112120122 is a deficient number, since it is larger than the sum of its proper divisors (1592615110).
2112120122 is a wasteful number, since it uses less digits than its factorization.
2112120122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6062.
The product of its (nonzero) digits is 32, while the sum is 14.
The square root of 2112120122 is about 45957.8080634836. The cubic root of 2112120122 is about 1283.0380557442.
Adding to 2112120122 its reverse (2210212112), we get a palindrome (4322332234).
The spelling of 2112120122 in words is "two billion, one hundred twelve million, one hundred twenty thousand, one hundred twenty-two".
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