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38054548949 is a prime number
BaseRepresentation
bin100011011100001110…
…100101010111010101
310122020002100101100212
4203130032211113111
51110413431031244
625252041015205
72515012220564
oct433416452725
9118202311325
1038054548949
111515888995a
127460484505
133785cc6cb1
141bb0071bdb
15ecacebd9e
hex8dc3a55d5

38054548949 has 2 divisors, whose sum is σ = 38054548950. Its totient is φ = 38054548948.

The previous prime is 38054548933. The next prime is 38054548957. The reversal of 38054548949 is 94984545083.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21771002500 + 16283546449 = 147550^2 + 127607^2 .

It is an emirp because it is prime and its reverse (94984545083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38054548949 - 24 = 38054548933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38054548979) 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, 19027274474 + 19027274475.

It is an arithmetic number, because the mean of its divisors is an integer number (19027274475).

Almost surely, 238054548949 is an apocalyptic number.

It is an amenable number.

38054548949 is a deficient number, since it is larger than the sum of its proper divisors (1).

38054548949 is an equidigital number, since it uses as much as digits as its factorization.

38054548949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24883200, while the sum is 59.

The spelling of 38054548949 in words is "thirty-eight billion, fifty-four million, five hundred forty-eight thousand, nine hundred forty-nine".