Base | Representation |
---|---|
bin | 111111101101100… |
… | …001110000000000 |
3 | 2202111022201020000 |
4 | 333231201300000 |
5 | 4142114234303 |
6 | 254022120000 |
7 | 35326331400 |
oct | 7755416000 |
9 | 2674281200 |
10 | 1068899328 |
11 | 4a9402982 |
12 | 259b80000 |
13 | 1405b1a13 |
14 | a1d64800 |
15 | 63c90da3 |
hex | 3fb61c00 |
1068899328 has 330 divisors, whose sum is σ = 3727193976. Its totient is φ = 304238592.
The previous prime is 1068899323. The next prime is 1068899369. The reversal of 1068899328 is 8239988601.
It is a happy number.
It is a super-2 number, since 2×10688993282 = 2285091546797703168, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1068899323) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4064125 + ... + 4064387.
Almost surely, 21068899328 is an apocalyptic number.
1068899328 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 1068899328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1863596988).
1068899328 is an abundant number, since it is smaller than the sum of its proper divisors (2658294648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1068899328 is an equidigital number, since it uses as much as digits as its factorization.
1068899328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 309 (or 275 counting only the distinct ones).
The product of its (nonzero) digits is 1492992, while the sum is 54.
The square root of 1068899328 is about 32694.0258762973. The cubic root of 1068899328 is about 1022.4582919882.
The spelling of 1068899328 in words is "one billion, sixty-eight million, eight hundred ninety-nine thousand, three hundred twenty-eight".
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