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149946298393 is a prime number
BaseRepresentation
bin1000101110100101111…
…1101111000000011001
3112100001000102012010011
42023221133233000121
54424042223022033
6152515005321521
713555544335543
oct2135137570031
9470030365104
10149946298393
115865685a361
12250888662a1
13111a83c9268
1473865b2693
153d79022ccd
hex22e97ef019

149946298393 has 2 divisors, whose sum is σ = 149946298394. Its totient is φ = 149946298392.

The previous prime is 149946298391. The next prime is 149946298433. The reversal of 149946298393 is 393892649941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111842087184 + 38104211209 = 334428^2 + 195203^2 .

It is a cyclic number.

It is not a de Polignac number, because 149946298393 - 21 = 149946298391 is a prime.

Together with 149946298391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (149946298391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74973149196 + 74973149197.

It is an arithmetic number, because the mean of its divisors is an integer number (74973149197).

Almost surely, 2149946298393 is an apocalyptic number.

It is an amenable number.

149946298393 is a deficient number, since it is larger than the sum of its proper divisors (1).

149946298393 is an equidigital number, since it uses as much as digits as its factorization.

149946298393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90699264, while the sum is 67.

The spelling of 149946298393 in words is "one hundred forty-nine billion, nine hundred forty-six million, two hundred ninety-eight thousand, three hundred ninety-three".