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8133342397 is a prime number
BaseRepresentation
bin1111001001100100…
…01111010010111101
3202222211022121021121
413210302033102331
5113124113424042
63423021430541
7405360161335
oct74462172275
922884277247
108133342397
1134a4072584
1216aba0b451
139c805c04b
145722980c5
15329089367
hex1e4c8f4bd

8133342397 has 2 divisors, whose sum is σ = 8133342398. Its totient is φ = 8133342396.

The previous prime is 8133342361. The next prime is 8133342401. The reversal of 8133342397 is 7932433318.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4962638916 + 3170703481 = 70446^2 + 56309^2 .

It is a cyclic number.

It is not a de Polignac number, because 8133342397 - 211 = 8133340349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8133372397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4066671198 + 4066671199.

It is an arithmetic number, because the mean of its divisors is an integer number (4066671199).

Almost surely, 28133342397 is an apocalyptic number.

It is an amenable number.

8133342397 is a deficient number, since it is larger than the sum of its proper divisors (1).

8133342397 is an equidigital number, since it uses as much as digits as its factorization.

8133342397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 43.

The square root of 8133342397 is about 90185.0453068578. The cubic root of 8133342397 is about 2011.0506950291.

The spelling of 8133342397 in words is "eight billion, one hundred thirty-three million, three hundred forty-two thousand, three hundred ninety-seven".