Base | Representation |
---|---|
bin | 100100011111001… |
… | …1000010101001101 |
3 | 10011022202111112010 |
4 | 1020332120111031 |
5 | 10001410442031 |
6 | 321253131433 |
7 | 42224324103 |
oct | 11076302515 |
9 | 3138674463 |
10 | 1224312141 |
11 | 579101918 |
12 | 2a2029b79 |
13 | 166857570 |
14 | b885bc73 |
15 | 7273e246 |
hex | 48f9854d |
1224312141 has 8 divisors (see below), whose sum is σ = 1757986720. Its totient is φ = 753422832.
The previous prime is 1224312107. The next prime is 1224312161. The reversal of 1224312141 is 1412134221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1224312141 - 27 = 1224312013 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1224312161) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15696271 + ... + 15696348.
It is an arithmetic number, because the mean of its divisors is an integer number (219748340).
Almost surely, 21224312141 is an apocalyptic number.
It is an amenable number.
1224312141 is a deficient number, since it is larger than the sum of its proper divisors (533674579).
1224312141 is a wasteful number, since it uses less digits than its factorization.
1224312141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31392635.
The product of its digits is 384, while the sum is 21.
The square root of 1224312141 is about 34990.1720630236. The cubic root of 1224312141 is about 1069.7871708180.
Adding to 1224312141 its reverse (1412134221), we get a palindrome (2636446362).
The spelling of 1224312141 in words is "one billion, two hundred twenty-four million, three hundred twelve thousand, one hundred forty-one".
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