Search a number
-
+
3686142109 = 13752337691
BaseRepresentation
bin1101101110110110…
…0001000010011101
3100111220010102100211
43123231201002131
530022123021414
61405434452421
7160226455666
oct33355410235
910456112324
103686142109
111621805141
1286a594111
134698b10a0
1426d7b436d
1516892a3c4
hexdbb6109d

3686142109 has 8 divisors (see below), whose sum is σ = 3970324512. Its totient is φ = 3402050160.

The previous prime is 3686142091. The next prime is 3686142143. The reversal of 3686142109 is 9012416863.

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 3686142109 - 25 = 3686142077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686142199) 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, 78954 + ... + 116644.

It is an arithmetic number, because the mean of its divisors is an integer number (496290564).

Almost surely, 23686142109 is an apocalyptic number.

It is an amenable number.

3686142109 is a deficient number, since it is larger than the sum of its proper divisors (284182403).

3686142109 is a wasteful number, since it uses less digits than its factorization.

3686142109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45227.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 3686142109 is about 60713.6072804112. The cubic root of 3686142109 is about 1544.7469915222.

The spelling of 3686142109 in words is "three billion, six hundred eighty-six million, one hundred forty-two thousand, one hundred nine".

Divisors: 1 13 7523 37691 97799 489983 283549393 3686142109