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2120530286 = 27295222981
BaseRepresentation
bin111111001100100…
…1011100101101110
312110210011002200202
41332121023211232
513320323432121
6550230153502
7103356132020
oct17631134556
95423132622
102120530286
11998a90876
124b21b2892
1327a428764
141618b2010
15c627040b
hex7e64b96e

2120530286 has 16 divisors (see below), whose sum is σ = 3760547040. Its totient is φ = 877460640.

The previous prime is 2120530213. The next prime is 2120530301. The reversal of 2120530286 is 6820350212.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2611085 + ... + 2611896.

It is an arithmetic number, because the mean of its divisors is an integer number (235034190).

Almost surely, 22120530286 is an apocalyptic number.

2120530286 is a deficient number, since it is larger than the sum of its proper divisors (1640016754).

2120530286 is a wasteful number, since it uses less digits than its factorization.

2120530286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5223019.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2120530286 is about 46049.2159108057. The cubic root of 2120530286 is about 1284.7387591892.

Adding to 2120530286 its reverse (6820350212), we get a palindrome (8940880498).

The spelling of 2120530286 in words is "two billion, one hundred twenty million, five hundred thirty thousand, two hundred eighty-six".

Divisors: 1 2 7 14 29 58 203 406 5222981 10445962 36560867 73121734 151466449 302932898 1060265143 2120530286