Base | Representation |
---|---|
bin | 1001111111000010… |
… | …1001011110110001 |
3 | 20220210111212202110 |
4 | 2133300221132301 |
5 | 20442131031121 |
6 | 1121544435533 |
7 | 123264300435 |
oct | 23760513661 |
9 | 6823455673 |
10 | 2680330161 |
11 | 1155a817a3 |
12 | 629778ba9 |
13 | 3393ba6a2 |
14 | 1b5d929c5 |
15 | 10a49bd76 |
hex | 9fc297b1 |
2680330161 has 4 divisors (see below), whose sum is σ = 3573773552. Its totient is φ = 1786886772.
The previous prime is 2680330111. The next prime is 2680330193. The reversal of 2680330161 is 1610330862.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 2680330161 - 27 = 2680330033 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2680330111) 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, 446721691 + ... + 446721696.
It is an arithmetic number, because the mean of its divisors is an integer number (893443388).
Almost surely, 22680330161 is an apocalyptic number.
It is an amenable number.
2680330161 is a deficient number, since it is larger than the sum of its proper divisors (893443391).
2680330161 is an equidigital number, since it uses as much as digits as its factorization.
2680330161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 893443390.
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 2680330161 is about 51771.9051320308. The cubic root of 2680330161 is about 1389.0869495012.
The spelling of 2680330161 in words is "two billion, six hundred eighty million, three hundred thirty thousand, one hundred sixty-one".
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