Base | Representation |
---|---|
bin | 111111001111110… |
… | …0011010010010100 |
3 | 12110220021221101212 |
4 | 1332133203102110 |
5 | 13321240401322 |
6 | 550330040552 |
7 | 103406255426 |
oct | 17637432224 |
9 | 5426257355 |
10 | 2122200212 |
11 | 999a21480 |
12 | 4b2879158 |
13 | 27a891892 |
14 | 161bc8816 |
15 | c64a00e2 |
hex | 7e7e3494 |
2122200212 has 48 divisors (see below), whose sum is σ = 4355527680. Its totient is φ = 894405600.
The previous prime is 2122200209. The next prime is 2122200257. The reversal of 2122200212 is 2120022212.
It is a congruent number.
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, 12287 + ... + 66297.
It is an arithmetic number, because the mean of its divisors is an integer number (90740160).
Almost surely, 22122200212 is an apocalyptic number.
2122200212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2122200212 is an abundant number, since it is smaller than the sum of its proper divisors (2233327468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122200212 is a wasteful number, since it uses less digits than its factorization.
2122200212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54092 (or 54090 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 2122200212 is about 46067.3443124303. The cubic root of 2122200212 is about 1285.0759163211.
Adding to 2122200212 its reverse (2120022212), we get a palindrome (4242222424).
The spelling of 2122200212 in words is "two billion, one hundred twenty-two million, two hundred thousand, two hundred twelve".
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