Base | Representation |
---|---|
bin | 111111010011010… |
… | …0010010011110100 |
3 | 12111000201222001222 |
4 | 1332212202103310 |
5 | 13322222444340 |
6 | 550433205512 |
7 | 103430652563 |
oct | 17646422364 |
9 | 5430658058 |
10 | 2124031220 |
11 | 99aa62103 |
12 | 4b3400898 |
13 | 27b08310c |
14 | 162143bda |
15 | c67128b5 |
hex | 7e9a24f4 |
2124031220 has 12 divisors (see below), whose sum is σ = 4460465604. Its totient is φ = 849612480.
The previous prime is 2124031183. The next prime is 2124031237. The reversal of 2124031220 is 221304212.
It can be written as a sum of positive squares in 2 ways, for example, as 1041094756 + 1082936464 = 32266^2 + 32908^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53100761 + ... + 53100800.
It is an arithmetic number, because the mean of its divisors is an integer number (371705467).
Almost surely, 22124031220 is an apocalyptic number.
2124031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2124031220 is an abundant number, since it is smaller than the sum of its proper divisors (2336434384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2124031220 is a wasteful number, since it uses less digits than its factorization.
2124031220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106201570 (or 106201568 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 2124031220 is about 46087.2131941171. The cubic root of 2124031220 is about 1285.4453925980.
Adding to 2124031220 its reverse (221304212), we get a palindrome (2345335432).
The spelling of 2124031220 in words is "two billion, one hundred twenty-four million, thirty-one thousand, two hundred twenty".
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