| Base | Representation |
|---|---|
| bin | 1011010010101111… |
| … | …1100110110100000 |
| 3 | 21211021011002220200 |
| 4 | 2310223330312200 |
| 5 | 22202020422240 |
| 6 | 1220445505200 |
| 7 | 135056435055 |
| oct | 26453746640 |
| 9 | 7737132820 |
| 10 | 3031420320 |
| 11 | 1316180a55 |
| 12 | 707272200 |
| 13 | 394065b46 |
| 14 | 20a86502c |
| 15 | 12b1ed930 |
| hex | b4afcda0 |
3031420320 has 144 divisors (see below), whose sum is σ = 10359734112. Its totient is φ = 807206400.
The previous prime is 3031420279. The next prime is 3031420333. The reversal of 3031420320 is 230241303.
3031420320 is a `hidden beast` number, since 30 + 314 + 2 + 0 + 320 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 3031420293 and 3031420302.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 1512439 + ... + 1514441.
It is an arithmetic number, because the mean of its divisors is an integer number (71942598).
Almost surely, 23031420320 is an apocalyptic number.
3031420320 is a gapful number since it is divisible by the number (30) 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 3031420320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5179867056).
3031420320 is an abundant number, since it is smaller than the sum of its proper divisors (7328313792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3031420320 is a wasteful number, since it uses less digits than its factorization.
3031420320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3075 (or 3064 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 3031420320 is about 55058.3356086978. The cubic root of 3031420320 is about 1447.2671983700.
Adding to 3031420320 its reverse (230241303), we get a palindrome (3261661623).
The spelling of 3031420320 in words is "three billion, thirty-one million, four hundred twenty thousand, three hundred twenty".
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