| Base | Representation |
|---|---|
| bin | 1001010001101111… |
| … | …11100010000000000 |
| 3 | 110212010002211020211 |
| 4 | 10220313330100000 |
| 5 | 40200031030030 |
| 6 | 2142122043504 |
| 7 | 234266266300 |
| oct | 45067742000 |
| 9 | 13763084224 |
| 10 | 4980720640 |
| 11 | 212653a155 |
| 12 | b70049594 |
| 13 | 614b6b49c |
| 14 | 3536c3600 |
| 15 | 1e23e912a |
| hex | 128dfc400 |
4980720640 has 132 divisors (see below), whose sum is σ = 13899269196. Its totient is φ = 1707589632.
The previous prime is 4980720607. The next prime is 4980720643. The reversal of 4980720640 is 460270894.
It can be written as a sum of positive squares in 2 ways, for example, as 1268499456 + 3712221184 = 35616^2 + 60928^2 .
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a junction number, because it is equal to n+sod(n) for n = 4980720593 and 4980720602.
It is not an unprimeable number, because it can be changed into a prime (4980720643) 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 11 ways as a sum of consecutive naturals, for example, 240954 + ... + 260806.
Almost surely, 24980720640 is an apocalyptic number.
4980720640 is a gapful number since it is divisible by the number (40) 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 4980720640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6949634598).
4980720640 is an abundant number, since it is smaller than the sum of its proper divisors (8918548556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4980720640 is a wasteful number, since it uses less digits than its factorization.
4980720640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19892 (or 19867 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 40.
The square root of 4980720640 is about 70574.2207891805. The cubic root of 4980720640 is about 1707.7752996528.
The spelling of 4980720640 in words is "four billion, nine hundred eighty million, seven hundred twenty thousand, six hundred forty".
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