Base | Representation |
---|---|
bin | 100100011110110… |
… | …1011111111011011 |
3 | 10011022102021101112 |
4 | 1020331223333123 |
5 | 10001334134043 |
6 | 321245210535 |
7 | 42222636440 |
oct | 11075537733 |
9 | 3138367345 |
10 | 1224130523 |
11 | 578a98420 |
12 | 2a1b60a4b |
13 | 1667c29b5 |
14 | b88119c7 |
15 | 72705518 |
hex | 48f6bfdb |
1224130523 has 16 divisors (see below), whose sum is σ = 1526964480. Its totient is φ = 953383200.
The previous prime is 1224130433. The next prime is 1224130553. The reversal of 1224130523 is 3250314221.
It is not a de Polignac number, because 1224130523 - 212 = 1224126427 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1224130553) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258608 + ... + 263298.
It is an arithmetic number, because the mean of its divisors is an integer number (95435280).
Almost surely, 21224130523 is an apocalyptic number.
1224130523 is a deficient number, since it is larger than the sum of its proper divisors (302833957).
1224130523 is a wasteful number, since it uses less digits than its factorization.
1224130523 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8098.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 1224130523 is about 34987.5766951642. The cubic root of 1224130523 is about 1069.7342697623.
Adding to 1224130523 its reverse (3250314221), we get a palindrome (4474444744).
The spelling of 1224130523 in words is "one billion, two hundred twenty-four million, one hundred thirty thousand, five hundred twenty-three".
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