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3885118409 = 171693134989
BaseRepresentation
bin1110011110010010…
…0011001111001001
3101000202112110112102
43213210203033021
530424042242114
61441303323145
7165163650554
oct34744431711
911022473472
103885118409
111714058a67
129051504b5
1349bb9a443
1428bdab69b
1517b1312de
hexe79233c9

3885118409 has 8 divisors (see below), whose sum is σ = 4116115080. Its totient is φ = 3654395136.

The previous prime is 3885118387. The next prime is 3885118441. The reversal of 3885118409 is 9048115883.

It can be written as a sum of positive squares in 4 ways, for example, as 1838008384 + 2047110025 = 42872^2 + 45245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3885118409 - 224 = 3868341193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3885118459) 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 7 ways as a sum of consecutive naturals, for example, 38714 + ... + 96275.

It is an arithmetic number, because the mean of its divisors is an integer number (514514385).

Almost surely, 23885118409 is an apocalyptic number.

It is an amenable number.

3885118409 is a deficient number, since it is larger than the sum of its proper divisors (230996671).

3885118409 is a wasteful number, since it uses less digits than its factorization.

3885118409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136699.

The product of its (nonzero) digits is 276480, while the sum is 47.

The square root of 3885118409 is about 62330.7180208924. The cubic root of 3885118409 is about 1572.0562680438.

The spelling of 3885118409 in words is "three billion, eight hundred eighty-five million, one hundred eighteen thousand, four hundred nine".

Divisors: 1 17 1693 28781 134989 2294813 228536377 3885118409