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6140413561 is a prime number
BaseRepresentation
bin1011011011111111…
…10100011001111001
3120211221021022212111
411231333310121321
5100033421213221
62453150212321
7305110440232
oct55577643171
916757238774
106140413561
112671115657
1212344b40a1
1376b1bc409
14423720089
1525e121be1
hex16dff4679

6140413561 has 2 divisors, whose sum is σ = 6140413562. Its totient is φ = 6140413560.

The previous prime is 6140413553. The next prime is 6140413577. The reversal of 6140413561 is 1653140416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3764436025 + 2375977536 = 61355^2 + 48744^2 .

It is a cyclic number.

It is not a de Polignac number, because 6140413561 - 23 = 6140413553 is a prime.

It is a super-2 number, since 2×61404135612 = 75409357400225401442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6140413511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3070206780 + 3070206781.

It is an arithmetic number, because the mean of its divisors is an integer number (3070206781).

Almost surely, 26140413561 is an apocalyptic number.

It is an amenable number.

6140413561 is a deficient number, since it is larger than the sum of its proper divisors (1).

6140413561 is an equidigital number, since it uses as much as digits as its factorization.

6140413561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 6140413561 is about 78360.7909671667. The cubic root of 6140413561 is about 1831.1863430430.

Adding to 6140413561 its reverse (1653140416), we get a palindrome (7793553977).

The spelling of 6140413561 in words is "six billion, one hundred forty million, four hundred thirteen thousand, five hundred sixty-one".