Search a number
-
+
6877489961 = 17439408331
BaseRepresentation
bin1100110011110111…
…00010101100101001
3122202022012200121102
412121323202230221
5103041114134321
63054240251145
7332300462066
oct63173425451
918668180542
106877489961
112a0a189001
1213bb310ab5
13857b106b4
14493589c6d
152a3bb9c0b
hex199ee2b29

6877489961 has 8 divisors (see below), whose sum is σ = 7451398944. Its totient is φ = 6322397760.

The previous prime is 6877489951. The next prime is 6877489967. The reversal of 6877489961 is 1699847786.

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 6877489961 - 26 = 6877489897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6877489967) 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, 4703435 + ... + 4704896.

It is an arithmetic number, because the mean of its divisors is an integer number (931424868).

Almost surely, 26877489961 is an apocalyptic number.

It is an amenable number.

6877489961 is a deficient number, since it is larger than the sum of its proper divisors (573908983).

6877489961 is a wasteful number, since it uses less digits than its factorization.

6877489961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9408391.

The product of its digits is 36578304, while the sum is 65.

The square root of 6877489961 is about 82930.6334293909. The cubic root of 6877489961 is about 1901.7057591169.

The spelling of 6877489961 in words is "six billion, eight hundred seventy-seven million, four hundred eighty-nine thousand, nine hundred sixty-one".

Divisors: 1 17 43 731 9408331 159941627 404558233 6877489961