Base | Representation |
---|---|
bin | 111011111110000… |
… | …0001001001001110 |
3 | 12012020100110200212 |
4 | 1313330001021032 |
5 | 13110112101110 |
6 | 531400522422 |
7 | 100602414350 |
oct | 16774011116 |
9 | 5166313625 |
10 | 2012222030 |
11 | 942935215 |
12 | 481a80412 |
13 | 260b66430 |
14 | 15135b0d0 |
15 | bb9c8e05 |
hex | 77f0124e |
2012222030 has 32 divisors (see below), whose sum is σ = 4457847744. Its totient is φ = 636834816.
The previous prime is 2012222027. The next prime is 2012222033. The reversal of 2012222030 is 302222102.
It is an interprime number because it is at equal distance from previous prime (2012222027) and next prime (2012222033).
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 = 2012221996 and 2012222014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012222033) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104707 + ... + 1106526.
It is an arithmetic number, because the mean of its divisors is an integer number (139307742).
Almost surely, 22012222030 is an apocalyptic number.
2012222030 is an abundant number, since it is smaller than the sum of its proper divisors (2445625714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2012222030 is a wasteful number, since it uses less digits than its factorization.
2012222030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2211260.
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 2012222030 is about 44857.7978728337. The cubic root of 2012222030 is about 1262.4823051469.
Adding to 2012222030 its reverse (302222102), we get a palindrome (2314444132).
The spelling of 2012222030 in words is "two billion, twelve million, two hundred twenty-two thousand, thirty".
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