Base | Representation |
---|---|
bin | 111101110001100… |
… | …1101011011111011 |
3 | 12100110101112222012 |
4 | 1323203031123323 |
5 | 13221120441033 |
6 | 541403520135 |
7 | 102236513165 |
oct | 17343153373 |
9 | 5313345865 |
10 | 2072827643 |
11 | 97406a0a7 |
12 | 49a22904b |
13 | 270595c43 |
14 | 159415935 |
15 | c1e9b248 |
hex | 7b8cd6fb |
2072827643 has 4 divisors (see below), whose sum is σ = 2162950608. Its totient is φ = 1982704680.
The previous prime is 2072827637. The next prime is 2072827681. The reversal of 2072827643 is 3467282702.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2072827643 - 210 = 2072826619 is a prime.
It is a super-2 number, since 2×20728276432 = 8593228875169870898, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2072827643.
It is not an unprimeable number, because it can be changed into a prime (2072827633) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45061448 + ... + 45061493.
It is an arithmetic number, because the mean of its divisors is an integer number (540737652).
Almost surely, 22072827643 is an apocalyptic number.
2072827643 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
2072827643 is a deficient number, since it is larger than the sum of its proper divisors (90122965).
2072827643 is an equidigital number, since it uses as much as digits as its factorization.
2072827643 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90122964.
The product of its (nonzero) digits is 225792, while the sum is 41.
The square root of 2072827643 is about 45528.3169357269. The cubic root of 2072827643 is about 1275.0319393255.
The spelling of 2072827643 in words is "two billion, seventy-two million, eight hundred twenty-seven thousand, six hundred forty-three".
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