Base | Representation |
---|---|
bin | 111111001111110… |
… | …1011000101010001 |
3 | 12110220100120012120 |
4 | 1332133223011101 |
5 | 13321242412040 |
6 | 550330444453 |
7 | 103406450505 |
oct | 17637530521 |
9 | 5426316176 |
10 | 2122232145 |
11 | 999a43470 |
12 | 4b2893729 |
13 | 27a8a3287 |
14 | 161bd6305 |
15 | c64a97d0 |
hex | 7e7eb151 |
2122232145 has 64 divisors (see below), whose sum is σ = 3966693120. Its totient is φ = 957440000.
The previous prime is 2122232137. The next prime is 2122232197. The reversal of 2122232145 is 5412322212.
It is not a de Polignac number, because 2122232145 - 23 = 2122232137 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 245395 + ... + 253895.
It is an arithmetic number, because the mean of its divisors is an integer number (61979580).
Almost surely, 22122232145 is an apocalyptic number.
It is an amenable number.
2122232145 is a deficient number, since it is larger than the sum of its proper divisors (1844460975).
2122232145 is a wasteful number, since it uses less digits than its factorization.
2122232145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8626.
The product of its digits is 1920, while the sum is 24.
The square root of 2122232145 is about 46067.6909015418. The cubic root of 2122232145 is about 1285.0823618524.
Adding to 2122232145 its reverse (5412322212), we get a palindrome (7534554357).
The spelling of 2122232145 in words is "two billion, one hundred twenty-two million, two hundred thirty-two thousand, one hundred forty-five".
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