Base | Representation |
---|---|
bin | 1000010001010010… |
… | …1011000111101100 |
3 | 12201201100021222010 |
4 | 2010110223013230 |
5 | 14021310341022 |
6 | 1004142321220 |
7 | 106004535141 |
oct | 20424530754 |
9 | 5651307863 |
10 | 2220012012 |
11 | a3a158979 |
12 | 51b589210 |
13 | 294c1a39a |
14 | 170baa3c8 |
15 | ced7150c |
hex | 8452b1ec |
2220012012 has 24 divisors (see below), whose sum is σ = 5225872176. Its totient is φ = 733454848.
The previous prime is 2220012001. The next prime is 2220012023. The reversal of 2220012012 is 2102100222.
It is an interprime number because it is at equal distance from previous prime (2220012001) and next prime (2220012023).
It is a Harshad number since it is a multiple of its sum of digits (12).
2220012012 is a modest number, since divided by 12012 gives 2220 as remainder.
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, 817233 + ... + 819944.
It is an arithmetic number, because the mean of its divisors is an integer number (217744674).
Almost surely, 22220012012 is an apocalyptic number.
It is an amenable number.
2220012012 is an abundant number, since it is smaller than the sum of its proper divisors (3005860164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220012012 is a wasteful number, since it uses less digits than its factorization.
2220012012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1637297 (or 1637295 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 2220012012 is about 47117.0034276375. The cubic root of 2220012012 is about 1304.5231028545.
Adding to 2220012012 its reverse (2102100222), we get a palindrome (4322112234).
The spelling of 2220012012 in words is "two billion, two hundred twenty million, twelve thousand, twelve".
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