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38218320050 = 252764366401
BaseRepresentation
bin100011100101111111…
…010100100010110010
310122122111111211002012
4203211333110202302
51111232342220200
625320211122522
72522041234421
oct434577244262
9118574454065
1038218320050
1115232277579
1274a72a3442
1337b0c08081
141bc7b032b8
15eda39ba35
hex8e5fd48b2

38218320050 has 12 divisors (see below), whose sum is σ = 71086075386. Its totient is φ = 15287328000.

The previous prime is 38218320017. The next prime is 38218320059. The reversal of 38218320050 is 5002381283.

It can be written as a sum of positive squares in 3 ways, for example, as 21652828201 + 16565491849 = 147149^2 + 128707^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38218319989 and 38218320016.

It is not an unprimeable number, because it can be changed into a prime (38218320059) 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 in 5 ways as a sum of consecutive naturals, for example, 382183151 + ... + 382183250.

Almost surely, 238218320050 is an apocalyptic number.

38218320050 is a deficient number, since it is larger than the sum of its proper divisors (32867755336).

38218320050 is a wasteful number, since it uses less digits than its factorization.

38218320050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764366413 (or 764366408 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 38218320050 in words is "thirty-eight billion, two hundred eighteen million, three hundred twenty thousand, fifty".

Divisors: 1 2 5 10 25 50 764366401 1528732802 3821832005 7643664010 19109160025 38218320050