Base | Representation |
---|---|
bin | 111110001111110… |
… | …1001111000000001 |
3 | 12101120012120101201 |
4 | 1330133221320001 |
5 | 13234200012034 |
6 | 543131301201 |
7 | 102521265661 |
oct | 17437517001 |
9 | 5346176351 |
10 | 2088672769 |
11 | 982001847 |
12 | 4a35aa801 |
13 | 273953161 |
14 | 15b57c1a1 |
15 | c357b014 |
hex | 7c7e9e01 |
2088672769 has 4 divisors (see below), whose sum is σ = 2100746196. Its totient is φ = 2076599344.
The previous prime is 2088672763. The next prime is 2088672811. The reversal of 2088672769 is 9672768802.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1786330225 + 302342544 = 42265^2 + 17388^2 .
It is a cyclic number.
It is not a de Polignac number, because 2088672769 - 213 = 2088664577 is a prime.
It is a super-2 number, since 2×20886727692 = 8725107871924254722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2088672763) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 6036454 + ... + 6036799.
It is an arithmetic number, because the mean of its divisors is an integer number (525186549).
Almost surely, 22088672769 is an apocalyptic number.
It is an amenable number.
2088672769 is a deficient number, since it is larger than the sum of its proper divisors (12073427).
2088672769 is a wasteful number, since it uses less digits than its factorization.
2088672769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12073426.
The product of its (nonzero) digits is 4064256, while the sum is 55.
The square root of 2088672769 is about 45701.9996170846. Note that the first 3 decimals coincide. The cubic root of 2088672769 is about 1278.2725658130.
The spelling of 2088672769 in words is "two billion, eighty-eight million, six hundred seventy-two thousand, seven hundred sixty-nine".
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