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2864830855 = 5572966171
BaseRepresentation
bin1010101011000001…
…1101100110000111
321101122200111010111
42222300131212013
521331344041410
61152135133451
7130664442355
oct25260354607
97348614114
102864830855
111240138907
1267b514287
133686a8cb3
141d269c7d5
1511b793b8a
hexaac1d987

2864830855 has 4 divisors (see below), whose sum is σ = 3437797032. Its totient is φ = 2291864680.

The previous prime is 2864830853. The next prime is 2864830861. The reversal of 2864830855 is 5580384682.

2864830855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2864830855 - 21 = 2864830853 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2864830799 and 2864830808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864830853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286483081 + ... + 286483090.

It is an arithmetic number, because the mean of its divisors is an integer number (859449258).

Almost surely, 22864830855 is an apocalyptic number.

2864830855 is a deficient number, since it is larger than the sum of its proper divisors (572966177).

2864830855 is an equidigital number, since it uses as much as digits as its factorization.

2864830855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572966176.

The product of its (nonzero) digits is 1843200, while the sum is 49.

The square root of 2864830855 is about 53524.1147054297. The cubic root of 2864830855 is about 1420.2550052842.

The spelling of 2864830855 in words is "two billion, eight hundred sixty-four million, eight hundred thirty thousand, eight hundred fifty-five".

Divisors: 1 5 572966171 2864830855