Search a number
-
+
2683980581 = 41227288383
BaseRepresentation
bin1001111111111010…
…0100101100100101
320221001101100012012
42133332210230211
520444044334311
61122155004005
7123340313162
oct23776445445
96831340165
102683980581
111158045377
1262aa39605
1333a0980b9
141b6663069
1510a96d78b
hex9ffa4b25

2683980581 has 8 divisors (see below), whose sum is σ = 2761565184. Its totient is φ = 2606973280.

The previous prime is 2683980539. The next prime is 2683980583. The reversal of 2683980581 is 1850893862.

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 2683980581 - 218 = 2683718437 is a prime.

It is a super-2 number, since 2×26839805812 = 14407503518370195122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2683980583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134885 + ... + 153498.

It is an arithmetic number, because the mean of its divisors is an integer number (345195648).

Almost surely, 22683980581 is an apocalyptic number.

It is an amenable number.

2683980581 is a deficient number, since it is larger than the sum of its proper divisors (77584603).

2683980581 is a wasteful number, since it uses less digits than its factorization.

2683980581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288651.

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 2683980581 is about 51807.1479720704. The cubic root of 2683980581 is about 1389.7172761422.

The spelling of 2683980581 in words is "two billion, six hundred eighty-three million, nine hundred eighty thousand, five hundred eighty-one".

Divisors: 1 41 227 9307 288383 11823703 65462941 2683980581