Base | Representation |
---|---|
bin | 100100101011111… |
… | …1100010111001100 |
3 | 10011210100221211002 |
4 | 1021113330113030 |
5 | 10010114411244 |
6 | 322052515432 |
7 | 42335304062 |
oct | 11127742714 |
9 | 3153327732 |
10 | 1231013324 |
11 | 581969592 |
12 | 2a431bb78 |
13 | 168062768 |
14 | b96c4032 |
15 | 73114a4e |
hex | 495fc5cc |
1231013324 has 12 divisors (see below), whose sum is σ = 2154749184. Its totient is φ = 615370704.
The previous prime is 1231013321. The next prime is 1231013339. The reversal of 1231013324 is 4233101321.
It is a junction number, because it is equal to n+sod(n) for n = 1231013296 and 1231013305.
It is not an unprimeable number, because it can be changed into a prime (1231013321) by changing a digit.
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, 12044 + ... + 51059.
It is an arithmetic number, because the mean of its divisors is an integer number (179562432).
Almost surely, 21231013324 is an apocalyptic number.
It is an amenable number.
1231013324 is a deficient number, since it is larger than the sum of its proper divisors (923735860).
1231013324 is a wasteful number, since it uses less digits than its factorization.
1231013324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67984 (or 67982 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 1231013324 is about 35085.7994636007. The cubic root of 1231013324 is about 1071.7354212184.
Adding to 1231013324 its reverse (4233101321), we get a palindrome (5464114645).
The spelling of 1231013324 in words is "one billion, two hundred thirty-one million, thirteen thousand, three hundred twenty-four".
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