Search a number
-
+
6886966741 is a prime number
BaseRepresentation
bin1100110100111111…
…01100010111010101
3122202222001011022021
412122133230113111
5103101030413431
63055215333141
7332444152144
oct63237542725
918688034267
106886966741
112a14571056
1214025211b1
13859a7b065
1449493575b
152a493cb11
hex19a7ec5d5

6886966741 has 2 divisors, whose sum is σ = 6886966742. Its totient is φ = 6886966740.

The previous prime is 6886966739. The next prime is 6886966753. The reversal of 6886966741 is 1476696886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6473007025 + 413959716 = 80455^2 + 20346^2 .

It is a cyclic number.

It is not a de Polignac number, because 6886966741 - 21 = 6886966739 is a prime.

It is a super-2 number, since 2×68869667412 = 94860621783280322162, which contains 22 as substring.

Together with 6886966739, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6886966741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6886916741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3443483370 + 3443483371.

It is an arithmetic number, because the mean of its divisors is an integer number (3443483371).

Almost surely, 26886966741 is an apocalyptic number.

It is an amenable number.

6886966741 is a deficient number, since it is larger than the sum of its proper divisors (1).

6886966741 is an equidigital number, since it uses as much as digits as its factorization.

6886966741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 61.

The square root of 6886966741 is about 82987.7505478971. The cubic root of 6886966741 is about 1902.5788380920.

The spelling of 6886966741 in words is "six billion, eight hundred eighty-six million, nine hundred sixty-six thousand, seven hundred forty-one".