| Base | Representation |
|---|---|
| bin | 1001101110000011… |
| … | …0100101000000000 |
| 3 | 20201211102121211000 |
| 4 | 2123200310220000 |
| 5 | 20320410311030 |
| 6 | 1110521252000 |
| 7 | 121440515526 |
| oct | 23340645000 |
| 9 | 6654377730 |
| 10 | 2609072640 |
| 11 | 1119831989 |
| 12 | 609934000 |
| 13 | 3276cb685 |
| 14 | 1aa724316 |
| 15 | 1040c3860 |
| hex | 9b834a00 |
2609072640 has 160 divisors (see below), whose sum is σ = 9267888960. Its totient is φ = 695734272.
The previous prime is 2609072639. The next prime is 2609072651. The reversal of 2609072640 is 462709062.
It is a happy number.
2609072640 is a `hidden beast` number, since 2 + 6 + 0 + 9 + 0 + 7 + 2 + 640 = 666.
It is a tau number, because it is divible by the number of its divisors (160).
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 = 2609072595 and 2609072604.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50247 + ... + 87993.
It is an arithmetic number, because the mean of its divisors is an integer number (57924306).
Almost surely, 22609072640 is an apocalyptic number.
2609072640 is a gapful number since it is divisible by the number (20) 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 2609072640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4633944480).
2609072640 is an abundant number, since it is smaller than the sum of its proper divisors (6658816320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2609072640 is an equidigital number, since it uses as much as digits as its factorization.
2609072640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37779 (or 37757 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 2609072640 is about 51079.0822157172. The cubic root of 2609072640 is about 1376.6664339814. Note that the first 3 decimals are identical.
The spelling of 2609072640 in words is "two billion, six hundred nine million, seventy-two thousand, six hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •