Base | Representation |
---|---|
bin | 1000010001010101… |
… | …1011101101000100 |
3 | 12201201201101221111 |
4 | 2010111123231010 |
5 | 14021333223022 |
6 | 1004150454404 |
7 | 106006324255 |
oct | 20425335504 |
9 | 5651641844 |
10 | 2220211012 |
11 | a3a284438 |
12 | 51b664404 |
13 | 294c89b36 |
14 | 170c1cb2c |
15 | cedb0477 |
hex | 8455bb44 |
2220211012 has 12 divisors (see below), whose sum is σ = 3905502076. Its totient is φ = 1104353280.
The previous prime is 2220211003. The next prime is 2220211031. The reversal of 2220211012 is 2101120222.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 254530116 + 1965680896 = 15954^2 + 44336^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2220210983 and 2220211001.
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, 1437189 + ... + 1438732.
Almost surely, 22220211012 is an apocalyptic number.
It is an amenable number.
2220211012 is a deficient number, since it is larger than the sum of its proper divisors (1685291064).
2220211012 is a wasteful number, since it uses less digits than its factorization.
2220211012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2876118 (or 2876116 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 2220211012 is about 47119.1151444931. The cubic root of 2220211012 is about 1304.5620804726.
Adding to 2220211012 its reverse (2101120222), we get a palindrome (4321331234).
The spelling of 2220211012 in words is "two billion, two hundred twenty million, two hundred eleven thousand, twelve".
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