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38363506837 is a prime number
BaseRepresentation
bin100011101110101001…
…001010100010010101
310200000121201001220121
4203232221022202111
51112032024204322
625342435031541
72525453266465
oct435651124225
9120017631817
1038363506837
11152a7221557
127527a3b5b1
133805010206
141bdd0d7ba5
15ee7ec9ec7
hex8eea4a895

38363506837 has 2 divisors, whose sum is σ = 38363506838. Its totient is φ = 38363506836.

The previous prime is 38363506813. The next prime is 38363506901. The reversal of 38363506837 is 73860536383.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26231365521 + 12132141316 = 161961^2 + 110146^2 .

It is a cyclic number.

It is not a de Polignac number, because 38363506837 - 231 = 36216023189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38363536837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19181753418 + 19181753419.

It is an arithmetic number, because the mean of its divisors is an integer number (19181753419).

Almost surely, 238363506837 is an apocalyptic number.

It is an amenable number.

38363506837 is a deficient number, since it is larger than the sum of its proper divisors (1).

38363506837 is an equidigital number, since it uses as much as digits as its factorization.

38363506837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 38363506837 in words is "thirty-eight billion, three hundred sixty-three million, five hundred six thousand, eight hundred thirty-seven".