Base | Representation |
---|---|
bin | 1010011010000010… |
… | …1111101010010001 |
3 | 21012200122200001221 |
4 | 2212200233222101 |
5 | 21210130223211 |
6 | 1141112325041 |
7 | 126141136213 |
oct | 24640575221 |
9 | 7180580057 |
10 | 2793601681 |
11 | 1203a08322 |
12 | 65b6a3781 |
13 | 3569c9b60 |
14 | 1c703a5b3 |
15 | 1153c3c71 |
hex | a682fa91 |
2793601681 has 8 divisors (see below), whose sum is σ = 3008986344. Its totient is φ = 2578287360.
The previous prime is 2793601669. The next prime is 2793601709. The reversal of 2793601681 is 1861063972.
It can be written as a sum of positive squares in 4 ways, for example, as 59985025 + 2733616656 = 7745^2 + 52284^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2793601681 - 27 = 2793601553 is a prime.
It is a super-2 number, since 2×27936016812 = 15608420704172051522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2793605681) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88761 + ... + 116041.
It is an arithmetic number, because the mean of its divisors is an integer number (376123293).
Almost surely, 22793601681 is an apocalyptic number.
It is an amenable number.
2793601681 is a deficient number, since it is larger than the sum of its proper divisors (215384663).
2793601681 is a wasteful number, since it uses less digits than its factorization.
2793601681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35171.
The product of its (nonzero) digits is 108864, while the sum is 43.
The square root of 2793601681 is about 52854.5332114474. The cubic root of 2793601681 is about 1408.3853355804.
The spelling of 2793601681 in words is "two billion, seven hundred ninety-three million, six hundred one thousand, six hundred eighty-one".
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