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6885147086 = 23442573543
BaseRepresentation
bin1100110100110001…
…10000000111001110
3122202211121201012122
412122120300013032
5103100044201321
63055112332542
7332422533056
oct63230600716
918684551178
106885147086
112a13538a04
1214019a4152
13859591a3c
144945c0566
152a46cd8ab
hex19a6301ce

6885147086 has 4 divisors (see below), whose sum is σ = 10327720632. Its totient is φ = 3442573542.

The previous prime is 6885147029. The next prime is 6885147107. The reversal of 6885147086 is 6807415886.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6807415886 = 23403707943.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721286770 + ... + 1721286773.

It is an arithmetic number, because the mean of its divisors is an integer number (2581930158).

Almost surely, 26885147086 is an apocalyptic number.

6885147086 is a deficient number, since it is larger than the sum of its proper divisors (3442573546).

6885147086 is a wasteful number, since it uses less digits than its factorization.

6885147086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442573545.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The square root of 6885147086 is about 82976.7864284946. The cubic root of 6885147086 is about 1902.4112586539.

The spelling of 6885147086 in words is "six billion, eight hundred eighty-five million, one hundred forty-seven thousand, eighty-six".

Divisors: 1 2 3442573543 6885147086