Search a number
-
+
8206011025 = 523119105239
BaseRepresentation
bin1111010010001110…
…11100101010010001
3210011220001112220021
413221013130222101
5113301214323100
63434135143441
7410231641252
oct75107345221
923156045807
108206011025
1135310965a3
121710214b81
13a0a123434
1457bbb2b29
15330640a1a
hex1e91dca91

8206011025 has 12 divisors (see below), whose sum is σ = 10178812800. Its totient is φ = 6562641680.

The previous prime is 8206011017. The next prime is 8206011043. The reversal of 8206011025 is 5201106028.

8206011025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8206011025 - 23 = 8206011017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 25356 + ... + 130594.

It is an arithmetic number, because the mean of its divisors is an integer number (848234400).

Almost surely, 28206011025 is an apocalyptic number.

It is an amenable number.

8206011025 is a deficient number, since it is larger than the sum of its proper divisors (1972801775).

8206011025 is a wasteful number, since it uses less digits than its factorization.

8206011025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108368 (or 108363 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 8206011025 is about 90587.0356342451. The cubic root of 8206011025 is about 2017.0222951215.

The spelling of 8206011025 in words is "eight billion, two hundred six million, eleven thousand, twenty-five".

Divisors: 1 5 25 3119 15595 77975 105239 526195 2630975 328240441 1641202205 8206011025