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38163503441 = 72778847009
BaseRepresentation
bin100011100010101110…
…001101100101010001
310122111200100211211102
4203202232031211101
51111124324102231
625310532154145
72520504266300
oct434256154521
9118450324742
1038163503441
1115204336a98
127490a68955
1337a27544cb
141bc0714437
15ed566eacb
hex8e2b8d951

38163503441 has 6 divisors (see below), whose sum is σ = 44394279570. Its totient is φ = 32711574336.

The previous prime is 38163503431. The next prime is 38163503461. The reversal of 38163503441 is 14430536183.

It can be written as a sum of positive squares in only one way, i.e., 33514991041 + 4648512400 = 183071^2 + 68180^2 .

It is not a de Polignac number, because 38163503441 - 230 = 37089761617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38163503395 and 38163503404.

It is not an unprimeable number, because it can be changed into a prime (38163503431) 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 in 5 ways as a sum of consecutive naturals, for example, 389423456 + ... + 389423553.

It is an arithmetic number, because the mean of its divisors is an integer number (7399046595).

Almost surely, 238163503441 is an apocalyptic number.

It is an amenable number.

38163503441 is a deficient number, since it is larger than the sum of its proper divisors (6230776129).

38163503441 is an equidigital number, since it uses as much as digits as its factorization.

38163503441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778847023 (or 778847016 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 38163503441 in words is "thirty-eight billion, one hundred sixty-three million, five hundred three thousand, four hundred forty-one".

Divisors: 1 7 49 778847009 5451929063 38163503441