Search a number
-
+
6874547761 is a prime number
BaseRepresentation
bin1100110011100000…
…10100011000110001
3122202002200012200001
412121300110120301
5103034341012021
63054053230001
7332233456204
oct63160243061
918662605601
106874547761
112a08559534
1213ba332301
13857320453
1449302193b
152a37d8091
hex199c14631

6874547761 has 2 divisors, whose sum is σ = 6874547762. Its totient is φ = 6874547760.

The previous prime is 6874547747. The next prime is 6874547773. The reversal of 6874547761 is 1677454786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6873239025 + 1308736 = 82905^2 + 1144^2 .

It is a cyclic number.

It is not a de Polignac number, because 6874547761 - 213 = 6874539569 is a prime.

It is a super-2 number, since 2×68745477612 = 94518813836540226242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6872547761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3437273880 + 3437273881.

It is an arithmetic number, because the mean of its divisors is an integer number (3437273881).

Almost surely, 26874547761 is an apocalyptic number.

It is an amenable number.

6874547761 is a deficient number, since it is larger than the sum of its proper divisors (1).

6874547761 is an equidigital number, since it uses as much as digits as its factorization.

6874547761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7902720, while the sum is 55.

The square root of 6874547761 is about 82912.8926102569. The cubic root of 6874547761 is about 1901.4345362927.

The spelling of 6874547761 in words is "six billion, eight hundred seventy-four million, five hundred forty-seven thousand, seven hundred sixty-one".