Base | Representation |
---|---|
bin | 111111001101100… |
… | …1001000101100100 |
3 | 12110211010012211012 |
4 | 1332123021011210 |
5 | 13320441404244 |
6 | 550245201352 |
7 | 103363402460 |
oct | 17633110544 |
9 | 5424105735 |
10 | 2121044324 |
11 | 999301aa3 |
12 | 4b2400258 |
13 | 27a578719 |
14 | 1619a74a0 |
15 | c632289e |
hex | 7e6c9164 |
2121044324 has 12 divisors (see below), whose sum is σ = 4242088704. Its totient is φ = 909018984.
The previous prime is 2121044323. The next prime is 2121044327. The reversal of 2121044324 is 4234401212.
2121044324 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 2121044324.
It is not an unprimeable number, because it can be changed into a prime (2121044323) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37875764 + ... + 37875819.
It is an arithmetic number, because the mean of its divisors is an integer number (353507392).
Almost surely, 22121044324 is an apocalyptic number.
It is an amenable number.
2121044324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2121044324 is a wasteful number, since it uses less digits than its factorization.
2121044324 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75751594 (or 75751592 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
The square root of 2121044324 is about 46054.7969705654. The cubic root of 2121044324 is about 1284.8425620274.
Adding to 2121044324 its reverse (4234401212), we get a palindrome (6355445536).
The spelling of 2121044324 in words is "two billion, one hundred twenty-one million, forty-four thousand, three hundred twenty-four".
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