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38426820107281 is a prime number
BaseRepresentation
bin10001011110010111100001…
…11101100101110000010001
312001001120100011102010221221
420233023300331211300101
520014041111421413111
6213421012031245041
711044150265432164
oct1057136075456021
9161046304363857
1038426820107281
11112757a5190201
124387460379781
131859830cb81b8
1496bc21ba3adb
15469882ed6371
hex22f2f0f65c11

38426820107281 has 2 divisors, whose sum is σ = 38426820107282. Its totient is φ = 38426820107280.

The previous prime is 38426820107201. The next prime is 38426820107297. The reversal of 38426820107281 is 18270102862483.

38426820107281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38242894919056 + 183925188225 = 6184084^2 + 428865^2 .

It is a cyclic number.

It is not a de Polignac number, because 38426820107281 - 27 = 38426820107153 is a prime.

It is a super-2 number, since 2×384268201072812 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38426820107201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19213410053640 + 19213410053641.

It is an arithmetic number, because the mean of its divisors is an integer number (19213410053641).

Almost surely, 238426820107281 is an apocalyptic number.

It is an amenable number.

38426820107281 is a deficient number, since it is larger than the sum of its proper divisors (1).

38426820107281 is an equidigital number, since it uses as much as digits as its factorization.

38426820107281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 38426820107281 in words is "thirty-eight trillion, four hundred twenty-six billion, eight hundred twenty million, one hundred seven thousand, two hundred eighty-one".