Base | Representation |
---|---|
bin | 111111010000000… |
… | …0011110000100100 |
3 | 12110220112200212002 |
4 | 1332200003300210 |
5 | 13321304130340 |
6 | 550332544432 |
7 | 103410351260 |
oct | 17640036044 |
9 | 5426480762 |
10 | 2122333220 |
11 | 99a0023a7 |
12 | 4b2922118 |
13 | 27a90a297 |
14 | 161c210a0 |
15 | c64c9715 |
hex | 7e803c24 |
2122333220 has 48 divisors (see below), whose sum is σ = 5107027968. Its totient is φ = 725738880.
The previous prime is 2122333189. The next prime is 2122333243. The reversal of 2122333220 is 223332212.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 2122333192 and 2122333201.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33830 + ... + 73410.
It is an arithmetic number, because the mean of its divisors is an integer number (106396416).
Almost surely, 22122333220 is an apocalyptic number.
2122333220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2122333220 is an abundant number, since it is smaller than the sum of its proper divisors (2984694748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122333220 is a wasteful number, since it uses less digits than its factorization.
2122333220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39980 (or 39978 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 2122333220 is about 46068.7879154640. The cubic root of 2122333220 is about 1285.1027629566.
Adding to 2122333220 its reverse (223332212), we get a palindrome (2345665432).
The spelling of 2122333220 in words is "two billion, one hundred twenty-two million, three hundred thirty-three thousand, two hundred twenty".
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