| Base | Representation |
|---|---|
| bin | 100101101011100… |
| … | …0001001011010000 |
| 3 | 10021010001101022000 |
| 4 | 1023113001023100 |
| 5 | 10042131402303 |
| 6 | 325242514000 |
| 7 | 43221405450 |
| oct | 11327011320 |
| 9 | 3233041260 |
| 10 | 1264325328 |
| 11 | 599751372 |
| 12 | 2b3505900 |
| 13 | 171c270c6 |
| 14 | bdcb5d60 |
| 15 | 75ee4da3 |
| hex | 4b5c12d0 |
1264325328 has 160 divisors (see below), whose sum is σ = 4281630720. Its totient is φ = 349557120.
The previous prime is 1264325317. The next prime is 1264325353. The reversal of 1264325328 is 8235234621.
1264325328 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 325 + 328 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1264325292 and 1264325301.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 87001 + ... + 100487.
It is an arithmetic number, because the mean of its divisors is an integer number (26760192).
Almost surely, 21264325328 is an apocalyptic number.
1264325328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1264325328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2140815360).
1264325328 is an abundant number, since it is smaller than the sum of its proper divisors (3017305392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1264325328 is a wasteful number, since it uses less digits than its factorization.
1264325328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13542 (or 13530 counting only the distinct ones).
The product of its digits is 69120, while the sum is 36.
The square root of 1264325328 is about 35557.3526573619. The cubic root of 1264325328 is about 1081.3167889157.
Adding to 1264325328 its reverse (8235234621), we get a palindrome (9499559949).
The spelling of 1264325328 in words is "one billion, two hundred sixty-four million, three hundred twenty-five thousand, three hundred twenty-eight".
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