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2855163813 = 35916130869
BaseRepresentation
bin1010101000101110…
…0101011110100101
321100222111100102220
42222023211132211
521321410220223
61151152022553
7130516330515
oct25213453645
97328440386
102855163813
111235735917
12678231a59
133666a2b58
141d12a3845
1511a9d46e3
hexaa2e57a5

2855163813 has 8 divisors (see below), whose sum is σ = 3871408800. Its totient is φ = 1871180688.

The previous prime is 2855163797. The next prime is 2855163847. The reversal of 2855163813 is 3183615582.

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

It is not a de Polignac number, because 2855163813 - 24 = 2855163797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855163713) 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, 8065258 + ... + 8065611.

It is an arithmetic number, because the mean of its divisors is an integer number (483926100).

Almost surely, 22855163813 is an apocalyptic number.

It is an amenable number.

2855163813 is a deficient number, since it is larger than the sum of its proper divisors (1016244987).

2855163813 is a wasteful number, since it uses less digits than its factorization.

2855163813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16130931.

The product of its digits is 172800, while the sum is 42.

The square root of 2855163813 is about 53433.7329128333. The cubic root of 2855163813 is about 1418.6557093681.

The spelling of 2855163813 in words is "two billion, eight hundred fifty-five million, one hundred sixty-three thousand, eight hundred thirteen".

Divisors: 1 3 59 177 16130869 48392607 951721271 2855163813