Base | Representation |
---|---|
bin | 100100101100001… |
… | …1110010011000100 |
3 | 10011210122000111020 |
4 | 1021120132103010 |
5 | 10010133333244 |
6 | 322055511140 |
7 | 42336423243 |
oct | 11130362304 |
9 | 3153560436 |
10 | 1231152324 |
11 | 581a53a66 |
12 | 2a43884b0 |
13 | 1680b0acc |
14 | b971c95a |
15 | 73140d19 |
hex | 4961e4c4 |
1231152324 has 48 divisors (see below), whose sum is σ = 2910835200. Its totient is φ = 404960256.
The previous prime is 1231152323. The next prime is 1231152331. The reversal of 1231152324 is 4232511321.
It is a junction number, because it is equal to n+sod(n) for n = 1231152294 and 1231152303.
It is not an unprimeable number, because it can be changed into a prime (1231152323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451437 + ... + 454155.
It is an arithmetic number, because the mean of its divisors is an integer number (60642400).
Almost surely, 21231152324 is an apocalyptic number.
It is an amenable number.
1231152324 is an abundant number, since it is smaller than the sum of its proper divisors (1679682876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1231152324 is a wasteful number, since it uses less digits than its factorization.
1231152324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3212 (or 3210 counting only the distinct ones).
The product of its digits is 1440, while the sum is 24.
The square root of 1231152324 is about 35087.7802660698. The cubic root of 1231152324 is about 1071.7757580731.
Adding to 1231152324 its reverse (4232511321), we get a palindrome (5463663645).
The spelling of 1231152324 in words is "one billion, two hundred thirty-one million, one hundred fifty-two thousand, three hundred twenty-four".
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