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8141651461 is a prime number
BaseRepresentation
bin1111001010100011…
…11011111000000101
3210000101221202011201
413211101323320011
5113133230321321
63423515502501
7405520616116
oct74521737005
923011852151
108141651461
1134a8828279
1216b2757a31
139c99ab058
1457341c20d
15329b7b291
hex1e547be05

8141651461 has 2 divisors, whose sum is σ = 8141651462. Its totient is φ = 8141651460.

The previous prime is 8141651459. The next prime is 8141651501. The reversal of 8141651461 is 1641561418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7071969025 + 1069682436 = 84095^2 + 32706^2 .

It is a cyclic number.

It is not a de Polignac number, because 8141651461 - 21 = 8141651459 is a prime.

Together with 8141651459, 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 8141651461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8141658461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070825730 + 4070825731.

It is an arithmetic number, because the mean of its divisors is an integer number (4070825731).

Almost surely, 28141651461 is an apocalyptic number.

It is an amenable number.

8141651461 is a deficient number, since it is larger than the sum of its proper divisors (1).

8141651461 is an equidigital number, since it uses as much as digits as its factorization.

8141651461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 37.

The square root of 8141651461 is about 90231.1002980680. The cubic root of 8141651461 is about 2011.7352951611.

The spelling of 8141651461 in words is "eight billion, one hundred forty-one million, six hundred fifty-one thousand, four hundred sixty-one".