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38282831449 is a prime number
BaseRepresentation
bin100011101001110101…
…011010011001011001
310122210222220100002021
4203221311122121121
51111400401101244
625330433534441
72523453461332
oct435165323131
9118728810067
1038282831449
1115265729985
127504a14421
1337c13a45b5
141bd24d7289
15ee0d91284
hex8e9d5a659

38282831449 has 2 divisors, whose sum is σ = 38282831450. Its totient is φ = 38282831448.

The previous prime is 38282831423. The next prime is 38282831453. The reversal of 38282831449 is 94413828283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38066741449 + 216090000 = 195107^2 + 14700^2 .

It is a cyclic number.

It is not a de Polignac number, because 38282831449 - 25 = 38282831417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38282831396 and 38282831405.

It is not a weakly prime, because it can be changed into another prime (38282831849) 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, 19141415724 + 19141415725.

It is an arithmetic number, because the mean of its divisors is an integer number (19141415725).

Almost surely, 238282831449 is an apocalyptic number.

It is an amenable number.

38282831449 is a deficient number, since it is larger than the sum of its proper divisors (1).

38282831449 is an equidigital number, since it uses as much as digits as its factorization.

38282831449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2654208, while the sum is 52.

The spelling of 38282831449 in words is "thirty-eight billion, two hundred eighty-two million, eight hundred thirty-one thousand, four hundred forty-nine".